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What is viral transport medium ?

What is viral transport medium ?

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Viral transport medium is a protective liquid medium added to the virus sampling tube to protect the samples after nasopharyngeal swab sampling and is usually called virus preservation solution in China.

Usually, in nucleic acid testing (PCR swab test), we cannot perform nucleic acid PCR directly at the sample collection site.

We need to add virus preservation solution (VTM) to the samples collected by swab for transfer check.

Pooled Sample Test Viral Transport Media Kits Manufacturer

Viral Transport Media Kits Manufacturer

What is a virus?

Viruses are microorganisms whose structure is very simple.

There is no way to complete the process of self-replication.

They need the help of host cells and the nutrition of the host to complete virus replication.

The virus can infect humans as well as many other animals.

Influenza viruses such as common infectious diseases are usually RNA viruses.

There are many common viruses that cause human infection, which can cause respiratory diseases, such as cold virus, influenza virus, HIV and influenza A virus.

Since it has no cellular structure of its own, the virus itself cannot replicate.

But invades the gene into the host cell and replicates the new virus with the help of the latter’s replication system.

In conclusion, viruses are diverse and can cause damage to multiple parts of the body. “

After the virus sample is collected, in order to maintain the activity of the virus sample and prolong the survival time of the virus in the sample, the sampling swab ( flocking swab ) will be put into the preservation solution ( viral transport media ) for preservation and transportation.

What is the viral transport medium used for?

pcr test

PCR test

The inactivated viral transport medium can perform protein denaturation on fresh clinical virus specimens to inactivate the virus. Prevent secondary infection and ensure the safety of transportation and testing personnel. The inactivated samples can be used with a variety of virus extraction kits.

The nucleic acid extraction instrument can quickly extract nucleic acids.

At the same time, with the respiratory pathogen PCR detection kit (VTM Kits) to achieve rapid detection. The specificity and sensitivity are not affected.

Virus preservation solution has many functions:

1. The operation is simple, and the liquid contains ingredients that can denature proteins, thereby inactivating the virus;

2. Contains inhibitors to protect the stability of viral nucleic acid to a greater extent and greatly improve the nucleic acid extraction rate;

3. Stored at room temperature for 12 months before sampling.

The airtightness is good, which is convenient for storage and transportation and saves transportation costs.

Cell medical (Dongguan) Co., Ltd.

Viral transport media include inactivated and non-inactivated viral transport media.

Contains Hank‘s Liquid, Potassium Chloride, Magnesium Chloride, Calcium Chloride, BSA, etc. The combination of various antibiotics has antibacterial and antifungal effects.  Bovine serum albumin (BSA), as a protein stabilizer, can form a protective film on the protein shell of the virus. Making it difficult to decompose and ensuring the integrity of the virus; Hank’s buffer The neutral environment constructed by the agent helps to increase the survival time and infection stability of the virus.

What is viral transport medium?

Anterior Nasal Swab VS Nasopharyngeal Swab

Nasopharyngeal Swab

Inactivated and non-inactivated virus preservation solutions: usually used for the collection and transportation of clinical influenza, avian influenza, hand, foot and mouth virus, measles and other virus specimens, as well as specimens such as mycoplasma, ureaplasma, chlamydia, etc.

1. For monitoring and sampling of infectious pathogenic microorganisms by disease control departments and clinical departments.
It is suitable for a sampling influenza virus (common influenza, highly pathogenic avian influenza, H1N1 influenza virus, etc.), hand, foot and mouth virus and other types of viruses.  
2. To transport nasopharyngeal flocked swab specimens or tissue specimens from specific parts from the sampling site to the testing laboratory for PCR extraction and detection.
3. Preserve nasopharyngeal swab samples or tissue samples from specific parts for necessary cell culture.
Disposable Virus Sampling Tube Manufacturers

Disposable Virus Sampling Tube Manufacturers

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What kind of virus sampling tube do you know? Does the following look like what you know? The following is introduced to you by Disposable Virus Sampling Tube Manufacturers — Cell medical (Dongguan) Co., Ltd.

What is Virus Sampling Tube? When should the virus preservation solution be used?

Disposable Virus Sampling Tube Kits

Disposable Virus Sampling Tube Kits

Virus transport medium, virus preservation solution: a protective liquid medium added to the virus sampling tube to protect the samples after nasopharyngeal swab sampling.

Generally, in the process of nucleic acid detection, we cannot directly conduct nucleic acid PCR experiments at the sample collection site.

If we need to check the samples collected by the flocked swab, we need to add the virus preservation solution.

Why use a virus sampling tube?

First of all, we have to understand what is a virus? Why does it need a virus sampling tube?

virus sampling tube

virus sampling tube

What is a virus?

Virus: a non-cellular form composed of nucleic acid molecules and proteins.

It lives on parasitic hosts and is an organic species between living and non-living bodies.

It is one end of DNA or RNA wrapped in a protective shell.

Through the mechanism of infection, these simple organisms can use the host’s cellular system to replicate themselves but are unable to grow and replicate independently.

Viruses can infect almost all living organisms with cellular structures.

Virus detection is different from conventional biochemical detection.

The virus itself is a simple microorganism and must be parasitic in living cells.

After sampling, when the virus leaves the host cell, its protein shell and nucleic acid degrade rapidly in the sampling tube.

So that the nucleic acid During the test, it is impossible to determine whether the initially collected sample contains the virus, which is likely to cause false negatives.

A virus delivery medium (virus sampling tube), a general-purpose sampling product: for sampling various virus samples, chlamydia samples, and ureaplasma samples.

Short-term storage and transportation at 2-8°C, and -80°C refrigerator or liquid nitrogen Long-term preservation in the environment.

1. For monitoring and sampling infectious pathogenic microorganisms by disease control departments and clinical departments.

Suitable for influenza virus (common influenza, highly pathogenic avian influenza, influenza A H1N1 virus, etc.), hand, foot and mouth virus and other types of virus sampling. It is also used for sampling Mycoplasma, Chlamydia, Ureaplasma, etc.

2. To transport nasopharyngeal swab specimens or tissue specimens from specific parts from the sampling site to the testing laboratory for extraction and testing.

3. Preserve nasopharyngeal swab samples or tissue samples from specific parts for necessary cell culture.

4. For short-term storage and transportation of virus samples at 2-8°C and long-term storage in a -80°C refrigerators or liquid nitrogen environments.

There are two types of virus preservation solutions: inactivated and non-inactivated

The inactivated virus preservation solution is mainly a virus lysis type preservation solution improved by nucleic acid extraction lysis solution, which is added with a high concentration of lysis salt, which can quickly and efficiently deactivate the virus protein in the sample to be tested and can effectively prevent infection.

At the same time, it also contains an RNase enzyme inhibitor, which can protect virus nucleic acid from degradation.

As long as the subsequent NT-PCR experiment can detect the nucleic acid of the virus, we can diagnose it.

Stored at room temperature for a relatively long time.

The non-inactivated preservation solution is mainly a virus maintenance solution that is improved on the basis of the transport medium.

It can retain the protein coat of the virus and the viral nucleic acid DNA or RNA at the same time so that the virus has the integrity of the protein epitope and nucleic acid in vitro.

Of course, there is also a certain risk of infectivity when the operation is wrong.

It is necessary to keep a strictly low temperature for long-term storage after sampling.

No matter what kind of virus preservation solution it is, we must test it as soon as possible after sampling or keep it strictly at a low temperature to ensure that the detection is accurate.

Due to the rapid reproduction and mutation of the virus, the virus preservation solution plays a crucial role in maintaining the stability of the virus sample.

Manufacturers CellMedical Virus Sampling Tube Kits Advantages

1. Add protein-stabilizing components such as BSA to the sampling solution to reduce the speed of virus decomposition and greatly improve the positive rate of virus isolation.
2. It is stable at room temperature and can keep its activity within 1 year.
3. Gentamicin replaces penicillin to avoid allergic reactions;

4. Using flocked swabs, the sample has a higher collection rate and release rate;
Samples can be stored for a long time (-20 ℃ ordinary refrigerator, -80 ℃ low-temperature refrigerator, -197 ℃ liquid nitrogen);
6. Thickening and anti-leakage design to ensure that the sample does not leak, in line with WHO regulations and biosafety regulations.

Viral Transport Medium With Swab

Viral Transport Medium With Swab

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Viral transport medium with swab

The COVID-19 outbreak is expected to have a significant impact on the tedious market for swabs and virus transport media owing to the increasing patient demand for infection diagnosis.

Flocked Swab and viral transport media are expected to grow due to intensive testing of COVID-19 in research institutions and laboratories.

Rising research and development activities to produce COVID-19 vaccines are expected to drive market growth during the pandemic.

The rising number of COVID-19 cases in the global population is expected to drive market growth.

The need to develop vaccines and early diagnostics to treat infections is expected to boost the market growth.

Manufacturing of Viral Transport Medium

Virus sampling tubes are medical device products. The virus sampling tube consists of a sampling flocking swab, virus transport medium and outer packaging. Since there is no unified national standard or industry standard, the products of various manufacturers vary greatly.

CellMedical manufactures viral transport media (VTM) following WHO and CDC recommendations, with or without swabs.

Flocked swab+tube with Viral transport medium

Flocked swab+tube with Viral transport medium

1. Sampling swab:

Virus sample collection flocked swab

Virus sample collection flocked swab

The specimen collection swab directly contacts the sampling site, and the material of the sampling head is closely related to the subsequent detection.

　　Synthetic fibres such as PE synthetic fibers, polyester fibres, polypropylene fibers, and rayon fibres should be used for the manufacture of sampling swab tips.

　　(1) Natural fibers such as cotton are not recommended

　　Because the fiber of cotton has strong adsorption of protein, it is not easy to be eluted into the subsequent preservation solution;

　　(2) Nylon fibers are also not recommended

　　Because nylon fibers (similar to toothbrush heads) have poor water absorption, the sampling volume is insufficient and the detection rate is affected.

　(3) Do not use calcium alginate sponges or wooden stick swabs (including bamboo sticks) for the head of the sampling swab.

　　Because the broken wooden sticks or bamboo sticks containing calcium alginate and wooden components will also adsorb proteins after being soaked in the preservation solution, and even have an inhibitory effect on the subsequent PCR reaction.

Flocked swabs manufacturers

Flocked swabs manufacturers

Features of CellMedical Flocked Swabs:

1. Has extraordinary adsorption energy.

2. It has a release rate of more than 95% for the collected specimens, thus ensuring a high degree of reliability of the results;

3. There is a unique breakable design on the plastic rod, which is convenient for specimen transportation;

4. Sterilized by ethylene oxide or irradiation, individually packaged;

Nasopharyngeal and oropharyngeal swabs. learn more

 

2. Virus preservation solution (virus transport medium): There are mainly two kinds of virus preservation solutions widely used in the market, one is a virus maintenance solution improved based on the transport medium, and the other is an improved nucleic acid extraction lysate. Preservation solution.

3. Virus sampling tube: The material of the storage tube should be selected carefully. Some data suggest that polypropylene (Polypropylene) is related to the adsorption of nucleic acids, especially at high tension ion concentration, polyethylene plastic (Polyethylene) than polypropylene (Polypropylene) Easier to grab DNA/RNA. In addition, when using breakable swabs, the storage tube should try to choose a container with a height of more than 8 cm to prevent the contents from splashing and contaminating when the swab is broken.

What is Virus Sampling Tube

Virus Sampling Tube

4. Water for production of preservation solution: Ultrapure water used for the production of preservation solution should be filtered by an ultrafiltration membrane with a molecular weight of 13,000 to ensure the removal of biologically derived polymer impurities, such as RNase, DNase and endotoxin, and ordinary purification is not recommended. water or distilled water.

About the use of virus sampling tubes

Sampling using virus sampling tubes is mainly divided into oropharyngeal sampling and nasopharyngeal sampling:

1. Oropharyngeal swab sampling:

first press the tongue with a tongue depressor, then insert the head of the sampling swab into the throat to wipe the bilateral pharyngeal tonsils and posterior pharyngeal wall, and wipe the posterior pharyngeal wall with mild force, avoiding touching the tongue department.

2. Nasopharyngeal swab sampling:

measure the distance from the tip of the nose to the earlobe with a swab and mark it with your fingers, insert the sampling swab into the nasal cavity in the direction perpendicular to the nose (face), and the swab should be inserted at least half the length from the earlobe to the tip of the nose. Leave the swab in the nose for 15-30 seconds, swirl gently 3-5 times, and withdraw the swab.

It is not difficult to see from the method of use, whether it is an oropharyngeal swab or a nasopharyngeal swab, sampling is a technical task, which is difficult and easy to contaminate. The quality of the collected samples is directly related to the subsequent testing. If the viral load of the collected samples Low, easy to cause false negatives, difficult to diagnose.

Most of the samples recommended by the kits currently on the market are oropharyngeal swabs or nasopharyngeal swabs and bronchoalveolar lavage fluid. This can greatly reduce the difficulty of the samplers’ work. After all, it is not difficult to collect venous blood samples, and like the detection of hepatitis C RNA, about 5 ml of EDTA anticoagulated blood samples are separated into plasma, and the extracted and purified RNA can fully meet the needs of PCR detection.

Preservation solution features:

Our independent research and development and production, unique cell preservation technology, can be stored at room temperature for more than 3 years after sampling! No need to refrigerate, store and transport at room temperature.

Viral Transport Medium With Swab Factory

Viral Transport Medium With Swab Factory

By Type
Swab Type
Nasopharyngeal swab
Throat swab
Transmission medium
By Application
Coronavirus disease
influenza
herpes simplex virus
other
By end-user
Hospitals and Clinics
diagnostic laboratory
other
geography
North America
The U.S.
Canada
Mexico
Europe
Germany
The U.K.
France
Italy
Spain
Rest of Europe
Asia Pacific
China
Japan
India
Australia
South Korea
Rest of Asia Pacific
The Middle East and Africa
GCC
South Africa
Rest of the Middle East and Africa
South America
Brazil
Argentina
Rest of South America
What is A Covid-19 NP Swab?

What is A Covid-19 NP Swab?

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The COVID-19 Swab test is an important part of the anti-epidemic work, and it is extremely important to standardize the operation of sampling techniques.

All sampling operations must be standardized. In order to provide a strong guarantee for the accurate reporting of subsequent nucleic acid testing.

Nasopharyngeal (NP) swabs are the primary sample type for respiratory molecular pathogen testing.

During the 2019 novel coronavirus infectious disease (COVID) pandemic, NP swabs became central to the detection of severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2).

Unfortunately, NP swab collection can be very uncomfortable for some patients.

Because when collecting nasal swabs, a relatively long flocked swab, is directly inserted into the nasal cavity of the person being collected.

However, nasal swabs will not cause pain if the operator is appropriate, but some people with sensitive noses or diseases may experience mild discomfort.

Np swab covid test meaning?

Np swab is the nasopharyngeal swab test, which refers to a relatively conventional method for detecting viruses.

Nasal swab testing mainly involves inserting a relatively long sterile flocked swab into the patient’s nasal cavity.

It was then collecting secretions from the nasopharynx through the nasal cavity.

And then testing these secretions in various aspects, such as bacterial culture And drug sensitivity test to determine the source of infection and the type of microorganisms.

Symptomatic treatment according to the test results, and a drug sensitivity test can also be used to determine which drug is more sensitive.

Use the more sensitive drug for treatment.

What should medical staff pay attention to when collecting nasopharyngeal swabs?

All healthcare professionals performing nasopharyngeal swab tests must wear the recommended personal protective equipment (PPE), which should include N95 masks, disposable caps, goggles, protective clothing, latex gloves, and shoe covers.

Nasopharyngeal flocked swabs: performed with the patient sitting upright with the head in an upright position.

What is A Covid-19 NP Swab?

What is A Covid-19 NP Swab?

The subject needs to tilt his head back.

Nasopharyngeal swabs are not along the nostrils, but perpendicular to the face, entering from the nasal passages.

When collecting, do not enter violently when encountering resistance or the subject feels obvious pain.

When taking nasopharyngeal sampling, the operator can stand behind the subject and does not need to look directly at the nasal cavity.

In addition, there is basically no gag reflex, the tolerance is good, and the risk of exposure is relatively low.

After sampling, the individual tested may have a sneeze reflex, immediately use an elbow or a tissue.

A small number of subjects may have a little nosebleed after sampling, which can usually be stopped on their own.

When taking a nasopharyngeal swab, it can stay in the nasopharynx for a longer time in order to obtain a more adequate sample.

Studies have shown that the positive rate of nasal swab samples is higher than that of throat swab samples, that is, the efficiency of nasal swabs for virus swab detection is higher than that of throat swabs.

What can a nasopharyngeal swab detect?

Used for nasopharyngeal sampling for respiratory viruses such as influenza, swine flu, bird flu, and hand, foot and mouth.

Nasal Swab Test

A nasopharyngeal culture

The reasons for false negatives

1. Patient: The virus content may be too low. The nucleic acid swab detection reagent has certain requirements for the virus presence in the infected person. If the virus is too low, existing methods may not detect it.

The onset of new coronary pneumonia patients will go through a process from asymptomatic after infection, to mild symptoms, to severe symptoms.

2. Collection of specimens: false negatives cannot be completely avoided.

Many experts have concluded from practical work that the positive rate of sputum and bronchoalveolar lavage fluid samples collected from the lower respiratory tract is higher than that of oro-nasopharyngeal swabs from the upper respiratory tract; the positive rate of nasopharyngeal swab samples is higher than the Oropharyngeal swab.

Improper collection site, for example, when collecting oropharyngeal swabs, the depth of the collection is not enough;

Nasopharyngeal swabs are not enough deep into the nasal cavity, etc., and most of the collected cells may not contain viruses, which may cause false negatives.

3. Detection reagents: At present, the quality of the reagents on the market may vary.

4. In addition to the test reagents themselves, laboratory specifications will also have an important impact on the test results. Specimen transportation and storage conditions, standardized operations in clinical laboratories, result interpretation and quality control are all key factors to ensure the accuracy and reliability of test results.

Prevent false negatives

Incorrectly performed nasopharyngeal swabs may lead to a greater likelihood of patients receiving false-negative test results.

False-negative results are an important issue to address, as these results can cause patients who are positive for some diseases to unknowingly transmit highly contagious diseases, especially COVID-19, too many others.

Therefore, adequate training of testers on how to perform nasopharyngeal swab tests reliably is critical. Use high-quality detection reagents. learn more.

China Nasal Swab Manufacturing

China Nasal Swab Manufacturing

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Swab manufacturers & suppliers

Nasopharyngeal swabs are suitable for collecting and transporting virus specimens such as covid-19, clinical influenza, avian influenza, hand, foot and mouth disease, and measles, as well as specimens of chlamydia and mycoplasma.

In order to respond to this round of the epidemic, stop the spread of the virus and reduce the risk of infection.

At present, we have successively carried out multiple rounds of swab testing for the new coronavirus.

Why are oropharyngeal swabs and nasopharyngeal swabs performed in covid swab testing?

covid flocked swab

covid flocked swab

Nasopharyngeal swab refers to the collection of secretions from the throat or nose of a patient with a specialized sterile flocked swab.

We generally use nasopharyngeal swabs to detect viral nucleic acids, viral antigens, and bacterial cultures.

The collection site of the oropharyngeal swab should be the pharynx and tonsils.

The basic steps of collecting the pharyngeal swab are to tilt the patient’s head back, open the mouth wide, and remove the secretions on the surface of the nasal cavity.

The sampler fixed the tongue with a tongue depressor and used polyester or calcium alginate test paper to cross the base of the tongue.

Wiped the posterior pharyngeal wall and the lateral wall of the tonsillar recess 3-to 5 times to collect mucosal cells.

Remove the swab gently, avoiding contact with the tongue, uvula, oral mucosa, and saliva, and insert the swab back into the sampling device or a suitable transport device.

Nasopharynx swab vs oropharyngeal swab

Nasopharynx swab vs oropharyngeal swab

The main difference between the two lies in the sampling method and sampling location.

The detection rate and accuracy of nasopharyngeal swabs are higher than those of oropharyngeal swabs.

Still, nasopharyngeal swabs are more complicated and difficult to operate, and people with nasal diseases。

Such as rhinitis and nasal polyps will not easily adapt, Bleeding may occur during the collection process, so the collection speed is slow.

Compared with nasopharyngeal swabs, oropharyngeal swabs are fast, simple and easy to collect.

And the detection rate can meet the requirements.

Therefore, oropharyngeal swabs are often used in large-scale screening.

For key groups or middle- and high-risk groups.

Required to collect nasopharyngeal swabs, or even stool and blood samples.

In addition to nasopharyngeal swabs and oropharyngeal swabs.

There are also detection methods such as serum, anal swabs, deep cough sputum, nasopharyngeal or respiratory tract extracts, and bronchial lavage fluid.

In general, the method of sample collection will be determined according to different populations and different needs.

China Nasal Swab Manufacturer – CellMedical Company.

We produce flocked swabs, VTM kits, viral transport medium, production line

We produce flocked swabs, VTM kits, viral transport medium, production line

Nasopharyngeal swab factories, Cell medical is a professional manufacturer of sampling flocked swabs and disposable virus sampling tubes (viral transport medium).

The factory is located in Dongguan, China, with a daily production capacity of more than 1 million sets, aseptic filling technology and aseptic swab production technology.

Nasopharyngeal Nylon Flocked Swab supplier

Nasopharyngeal Nylon Flocked Swab supplier

Sterile Nasal Swab Wholesale

Sterile Nasal Swab Wholesale

Cell medical (Dongguan) Co., Ltd.,  a professional VTM kits and swabs manufacturer, and disposable swab tubes exporter, has many years of experience in medical application molding and flocking treatment heads and swabs.

Our flocking swabs are famous for their stable and reliable performance and excellent absorption and elution ability.

We support custom production, OEM and so on, and develop products with customers.

Our factory is our customer’s factory.

CONTACT US

Email:flockedswab@swabmanufacturer.com

 

How to Perform Mrsa Nasal Swab

How to Perform Mrsa Nasal Swab

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Methicillin-resistant Staphylococcus aureus (MRSA) is increasingly rampant, and its infection spreads almost all over the world.

Together with AIDS and hepatitis B, it has become the three most difficult infectious diseases in the world.

How to prevent and control MRSA has become a problem that we cannot ignore.

The long-term treatment of MRSA infection, in addition to the direct economic burden on patients, will also generate some indirect costs, such as isolation, disinfection and so on.

n response to the prevalence of MRSA, we should propose strict detection and control measures.

MRSA screening is an important part of this.

Medical swabs are one of CellMedical’s specialties. Our goal is to ensure that our swabs give end users what they really need so they can always perform at the highest level.

In this article, we review what MRSA is, why using a nasal swab is the most effective way to test for MRSA, and how to perform a nasal swab test for MRSA.

What is MRSA?

MRSA, known as Methicillin-Resistant Staphylococcus aureus.

A highly drug-resistant strain of bacteria found mainly in people with long-term chronic diseases.

It is naturally resistant to penicillin and cephalosporin antibiotics, and also has varying degrees of resistance to commonly used erythromycin, etimicin, ofloxacin and other drugs.

Mainly seen in patients with bloodstream infection, lung infection and other site infections.

If the treatment effect is not good after a variety of antibiotic anti-infection treatment, it is necessary to consider whether there is mrsa infection. This bacterium is only effective against antibiotics such as vancomycin, teicoplanin, and linezolid.

MRSA is contagious through person-to-person contact and when a contaminated person touches an object or surface and leaves behind germs that can spread.

About 126,000 people are hospitalized and 19,000 die from the bacteria each year.

MRSA Nasal Swab

A nationwide cross-sectional study of MRSA screening in more than 10,000 patients showed that screening sites included the nose, throat, underarm, perineum, and wound or implant sites. Nasal swabs identified only 66% of MRSA carriers, and further swab testing could increase the detection rate.

Nasal and perineal swabs were identified in 82% of patients, with the axilla being the least useful site for carrier identification (8% detection rate).

Standard screening methods should include at least two swabs (nasal swab plus perineal or pharyngeal swab).

According to the American Society for Microbiology, nasal swabs have a higher detection rate of MRSA than traditional swabs. Flocked swabs provide better sample collection because their brush-like tips release more target cells and retain more liquid sample than foam swabs.

Our flocked-Swab sterile swabs are designed for the collection and transport of clinically significant bacteria.

With molded breakpoints, sampling is fast, safe and convenient.

Sterile Medical Specimen Collection Sterile Nylon Flocked Nasopharyngeal Nasal Swab

Sterile Medical Specimen Collection Sterile Nylon Flocked Nasopharyngeal Nasal Swab

How to use MRSA Swab?

Once a sampling swab and transfer medium, such as CellMedical’s flocked-Swab media transfer system, has been selected, testers should wash their hands and wear clean gloves.

The process is as follows:

  1. Remove the nasal swab.
  2. Measure about 2 cm with a swab and mark with your finger.
  3. Insert a cotton swab about 2 cm (about 3/4 inch) into one nostril.
  4. Insert the swab into the nostril perpendicular to the nose (face), rotate the swab against the anterior nasal mucosa for 3 seconds, then gently rotate 3 times. .
  5. Using the same swab, repeat for the other nostril.
  6. Place the swab back into the virus delivery medium.
  7. Place the end of the swab firmly so that the tip of the swab is in contact with the wet swab.
  8. Tighten the cap of the tube, mark it well, and put it in a plastic bag and seal it.

Still have questions about MRSA swabs or other CellMedical single-use medical products? Contact us today!

Nasal Swab Covid Test

Nasal Swab Covid Test

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Nasal Swab Covid Test

Some people need to be tested for COVID-19 with a quick swab.

The pros are sure: If it is possible for you to test both the nose and the throat at the same time.

Officially, the FDA follows inspection guidelines. Simply put, observe the subtests consistently during this period.

COVID19 test flocked swabs to exteriors.

What is a nasal swab?

COVID Swab test

COVID Swab test

A nasal swab is a test that checks for viruses in the nasal cavity, and the result is a test that checks the nasal cavity by a method.

Because of rhinitis in the nasal cavity, sinusitis, sinusitis, nasal cavity in the nasal cavity and other problems.

There are several respiratory infections, including the flu, COVID-19. A nasal swab can help your doctor determine the type of infection you have and which treatment is definitely best for you.

The test can be done by taking a sample of cells from your nostrils or nasopharynx.

A nasopharyngeal flocked swab is the uppermost part of the nose and throat.

Other names: Anterior nostril examination, turbinate swab, NMT swab, nasopharyngeal culture, nasopharyngeal swab

Why do I need a nasal swab?

01The positive detection rate of nasal swabs is higher.

When using a throat swab to detect the new coronavirus, the base of the tongue will instinctively prevent the cotton swab from going deep, and the cotton swab is not easy to reach the back wall of the pharynx. . The nasal swab is easier to reach the tested site and can stay in the nasopharynx for a long time, and the test results are more accurate. Students returning to school from the north and south of the river and by various means of transportation require us to improve the accuracy of testing in a responsible attitude to everyone’s health.

02Nasal swabs are safer for nucleic acid collection personnel.

During the nasal swab test, the tested person needs to wear a mask with only the nostrils exposed; while for the throat swab test, the tested person needs to open his mouth wide, and the exposed area is large. If the tested person coughs and retches, the nucleic acid tester may face a greater risk of infection. Once the testers are infected, the risk may spread to a wider range of people.

03 Throat swabs may be more uncomfortable than nasal swabs.

Throat swabs are collected across the base of the tongue to the posterior pharyngeal wall, tonsillar recesses, sidewalls, etc., and repeatedly wiped 3 to 5 times to collect mucosal cells. In response, nasal swabs were relatively less irritating to the mucosa.

The entire nasopharyngeal swab process:

What to do before swab test

nasopharyngeal swab

You will throw your head back.
Your healthcare provider will insert the swab directly into your nostril until it reaches your nasopharynx (the top of your throat).
Your supplier will rotate the swab and remove it.
Do I need to do any preparation for the exam?
For nasal swabs, you don’t need any kind of special preparation.

 

Vtm Kits How To Use

Vtm Kits How To Use

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Cellmedical Virus Sampling Transport Kit

Product Description:

Specifically designed for the collection, transport and preservation of virus-containing samples, such as influenza, avian influenza, and respiratory viruses such as hand, foot and mouth.

  • Disposable medical flocked swab, consisting of a plastic rod and a nylon fibre tip that can be broken at any point.
  • VTM  and VTM-N (inactivated virus transport medium) are available for selection.
  •  Ready-to-use tear-off packaging, convenient and quick, to avoid possible cross-contamination during use.
  •  Equipped with a biosafety sample bag, which is convenient for placing samples and paper documents, the transfer is safe and reliable.
10ml Viral Transport Medium VTM Swab Tube Kits

10ml  VTM Swab Tube Kits

With 3 ml VTM Kits in a 10 ml tube with sterile flocked swabs.

Recommended for collection and transport of viruses such as COVID-19, Swine Flu etc, CellMedical is a vtm kit manufacturer.

Our virus transmission medium or VTM kit is specially used to collect, process and transport suspected virus samples.

These VTM swab kits have antimicrobial representatives to make sure that the virus is not killed while suppressing various other microbial development.

With cryoprotectants, laboratories can keep these samples extracted through these ICMR accepted screening kits for an extensive period.

These viral transport medium sets are tested to maintain the infection's RNA throughout transportation.

Vtm Kit Uses

Sampling using a virus transport medium sampling includes throat swab sampling and nasal swab sampling.

Nasopharyngeal swab sampling:

The collector holds the patient's jaw with the left hand, measures the distance from the tip of the nose to the earlobe with a sampling swab. Marks it with a finger. Insert the sampling swab into the nasal cavity in the direction perpendicular to the nose (face).  The swab reaches the minimum distance.

It should reach half the length from the earlobe to the tip of the nose, let the swab stay in the nose for 15-30 seconds, gently rotate 3-5 times, and withdraw the swab. Wipe the other hole with another swab.

Immerse the swab head in the sampling solution, squeeze the swab head several times in the sampling solution. Break the tail of the swab forcefully, and discard the tail of the swab.

Throat swabs

Hold the swab in the right hand to wipe the bilateral pharyngeal tonsils and posterior pharyngeal wall. Immerse the swab head in the sampling solution. Squeeze the swab head several times in the sampling solution. Break the tail of the swab forcefully, and discard the tail of the swab.

Break the swab at the breakpoint of the sampling flocking swab rod, discard the tail, and close the tube cap

Label the vtm sampling tube with information as required.

Specimens should be transported to the corresponding influenza surveillance network laboratory within 2 working days after collection.

The storage temperature should be 2-8°C;

Specimens should avoid repeated freezing and thawing.

Our VTM tubes adhere to federal government standards.

Developed to maintain safety, ease, and also dependability, these sets are among the best readily available viral testing tools, making us one of China's finest VTM kit manufacturers.

In addition, we are additionally professional producers of VTM Kits, RNA removal, rapid antigen kits, and so on.

Which can assist lab testing and also supply much better testing results.

CM Viral Transport Medium Sets (VTM Kits) are made from Hanks' Well Balanced Salt Option and also consist of safety protein prescription antibiotics to regulate microbial contamination as well as barriers to manage the pH.

RFQ

We are a manufacturer, warmly welcome your visit. Please try to contact our sales representative first by email or phone. We will make the appointment and the most reasonable planning for your transportation.

Guangdong, China.

Yes, Most of our transactions are Business to Business

Yes,  we support custom production, OEM and so on, and develop products with customers.

 

viral transport swab

Viral Transport Swab

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VTM Viral Transport

For Viral specimen collection, transport and preservation.  The Viral Transport Swab kit is suitable for the majority of viruses including Coronavirus, Flu, Bird Flu and HFMD.

Available in individual transport tubes in bulk or as patient collection kits paired with a swab.

Viral Transport Swab Disposable virus sample collection kit

Viral Transport Swab Disposable virus sample collection kit 

Sterile Sampling Swab Nylon Flocked Material Φ2.2x150mm (Stick), Approx. Ø3mm (Tip)
Transport Tube 10ml sample transport tube
Transport Medium  3ml per 10ml tube

 

  • Flocked swabs contain plastic stick to breakpoint flocked swabs;
  • Optional non-inactivated virus tasting tube or suspended transmission tool;
  • Ready-to-use easy-tear product packaging to avoid cross-contamination;
  • Offer biohazard sampling bags for secure transport;
  • 50 per pack;

Each viral collection kit consists of a sterilized peel bag including a snappable swab used to collect the sample, a transport tube consisting of a tool into which the swab is placed after tasting as well as a biohazard bag used to place the transport tube for transportation.

Once a swab sample is accumulated it should be placed promptly into the transport tube submitted to the lab as promptly as possible.

Although VTM can preserve organisms for long periods of time at area temperature it is advised that specimens need to be kept at 2-8 ℃ when possible while in transit. If there will be a lengthy delay before processing samplings they ought to preferably be saved at -70 ℃

 

Technical Specification

Technical Specifications

VTM Viral Transport Media is suitable for the collection, preservation and transportation of common virus samples such as COVID 19, influenza virus, hand, foot and mouth virus.

Flocked Nasopharyngeal Meaning Swab Test Sample Collection Vtm Kit

Vtm Kit tube

  • It is a liquid of a tested substance that protects against viruses. It usually uses a throat swab, nasal swab or tissue sample from a specific location to collect the sample.
  • Tube size: 2ml, 5ml, 10ml
  • Swab size: 150 mm with a breakpoint of 80 mm in the nasopharynx and 30 mm in the oropharynx.
  • liquid: 1ml, 2ml, 3ml, 5ml Shelf life: 1 year

 

Category of example conservation solution （ VTM or UTM）:

Non-inactivated: constructed in 2-3ml UTM( Global Viral Transportation tool) option, pink transparent liquid, conservation solution formula suitable for infection conservation.

Which can preserve the activity of infection in a vast temperature level variety and attempt to preserve the originality of the example.

Without lysate, it can preserve the activity and stability of the virus as well as can be utilized for virus culture as well as seclusion.

Inactivated kind: nucleic acid removal lysate boosted virus lysate preservation solution.

The suspended kind consists of a high focus of bosom salt, which can swiftly and successfully suspend the viral protein of the example to be tested.

We can spot nucleic acid by RT-PCR to judge whether the sample includes virus characteristic nucleic acid.

It consists of cleaved nucleic acid materials, so regarding spot nucleic acid by RT-PCR, so as to evaluate whether the sample consists of virus characteristic nucleic acid.

Precautions:

1. For in-vitro diagnostic usage only.

2. Usage aseptic technique and biohazard preventative measures when collecting and dealing with sampling.

3. Decontaminate all biohazard waste including samplings, containers and media after their use.

4. Delays in transportation and the absence of refrigeration might minimize recuperation of the organisms.

5. Don’t make use of after expiry date, and don’t utilize if there is proof of leak, the shade of the medium has altered shade or shows up turbid.

 

The Mission of A Virus Test Swab

The Mission of A Virus Test Swab

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The Mission of A Virus Test Swab

From the sampling point to the testing room, then to the temporary storage point of medical waste.

Then to the hazardous waste centre, to the power plant, and finally to the soil.

A swab for nucleic acid detection completed the task and became a piece of pollution-free ash and fill it in the soil.

At present, we are in a critical period of anti-epidemic.

An ordinary hospital has a maximum of 11,220 samples per day at a single sampling point.

The Mission of A Virus Test Swab

The Mission of A Virus Test Swab

At nine o’clock in the morning, at the nucleic acid testing and sampling service point, citizens who were ready to test lined up.

Everyone wears a mask and consciously separates one meter from each other.

At the beginning of the inspection window, the heavily armed nurses washed their hands with an antiseptic solution.

And then removed a flocked swab about 15 cm long from the packaging bag to take a sample before taking the throat swab.

The nurse opened the collector’s mouth wide, and she skillfully inserted the flocked swab into her pharynx.

Then picked up a sampling tube (virus transport medium) with her left hand. And inserted the collection stick into the sampling tube with her right.

With a little force, the tip of the cotton swab breaks enters the sampling tube, seals it. And throws the long stick into the yellow medical waste bin.

As a testing point for ordinary citizens and inpatients, as an ordinary citizen and inpatients, the use of cotton swabs in an ordinary hospital reached 11,220.

Medical waste treatment forms closed-loop management in nucleic acid testing laboratories.

Take the flocked swab, put the swab head into the sampling tube, and paste a barcode similar to “ID card”. And carefully seal it, put it into a transparent sealed box.

And then send it to the transfer cabin of the PCR laboratory of the Department of Infectious Diseases by staff wearing protective clothing.

The PCR laboratory is under negative pressure, and after the virus enters, it cannot come out. After the outbreak, the PCR laboratory strictly abides by the medical waste treatment process, forming closed-loop management of the laboratory.

An hour later, staff in protective suits transported medical waste out of the ward in sealed yellow bags and sealed with “extremely infectious waste”.

Then, the workers send these medical wastes by trolleys to the medical waste temporary storage area at the nucleic acid collection point 100 meters away. For the medical wastes for nucleic acid testing, he transports an average of about 35 kilograms per day.

We need to place the virus sampling tube for 48 hours during the transfer process

Except for professionals, our PCR laboratory does not allow patients and the public to enter here.

To ensure safety, all medical waste from nucleic acid testing collection points, including swab sticks, is kept here for 48 hours.

After our test results come out and are confirmed to be correct, they will be sent to the hazardous waste treatment centre by a medical waste transfer vehicle.

At ten o’clock in the morning, the staff of the hazardous waste centre arrived at the scene. Unload the empty shipping box and load the ship with medical waste that has been sitting for 48 hours.

The sampling flocked swabs used must be incinerated at high temperatures above 1100°C.

There are two buildings, an incineration workshop and a cooking room, in the yard of the Hazardous Waste Center.

The staff in protective suits skillfully unload boxes of medical waste from the transfer vehicle and load boxes of hazardous waste into bucket elevators.