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Flu Test Swab

Posted on 2022年3月18日2022年3月30日 by Dr. Lee

The COVID-19 pandemic has actually added another layer of complexity to the flu season ahead of schedule. COVID and the flu share many similar signs and symptoms, which certainly makes diagnostic screening even more important this flu season.

What is a flu swab test?

Flu is the abbreviation of Influenza. This disease is not unfamiliar to us. It is an acute respiratory infection caused by influenza virus.

Influenza is very contagious and spreads very quickly. Once you have flu symptoms, you must go to the hospital for relevant examinations in time to determine the type of flu before symptomatic treatment.

Every year when the seasons change, the virus will also increase due to changes in temperature. This period is also the time when we are most prone to getting sick.

Among them, influenza is a very common epidemic infectious disease. Influenza is familiar to most people, but not very well known to a few people.

Getting a quick, accurate diagnosis is of course critical to driving treatment decisions.

Influenza testing can be done with blood tests, nasopharyngeal swabs, etc.

How to Test for Flu with a Swab.

Which Swab Test is More Accurate?

Discovering the right flu test is critical to ensuring accurate results. Using high-quality items—including appropriate swabs, shipping media, and testing devices—can help to properly identify influenza and reduce the potential spread of infection. Influenza testing needs to detect the influenza virus.

After infection with influenza, the influenza virus usually invades the nasopharynx first, which can be detected by a nasopharyngeal swab.

Influenza virus can also enter the blood and can be detected by a blood test. Influenza is a relatively serious respiratory infectious disease.

After the infection, the systemic symptoms are more obvious, such as high fever, general weakness, and sore limbs.

The recovery of the disease is also relatively slow, and it takes about half a month.

Each of the influenza tests listed above can be performed using a nasopharyngeal (NP) swab, throat swab, NP swab, nasal or endotracheal aspirate, or saliva test.

Covid Test Throat Swab

To perform an NP flu swab test, follow these steps:

Choose a flocked swab with excellent absorption and elution, such as CellMedical’s Nasopharyngeal Swab CM-96000N 6″ Sterile Flocked Swab with Breakpoint 90mm.

With the patient’s head tilted back, slowly insert the flocked swab into the nasal cavity.

Place the swab directly into the nostril directly back (not up) and at the level of the nasopharynx to the distance determined on the swab handle.

Rotate the swab approximately 3 to 5 times and hold in place for 5 to 10 seconds to obtain a sample.

Remove the sampling swab and insert into a virus sampling tube containing 1 to 3 ml of virus transport medium.

Break the flocked swab along the breakpoint.

Label the vial with the appropriate customer information.

How long does a flu swab test take?

Throat swab test belongs to a class of medical test methods. A medical sampling swab is used to take a small number of secretions from the pharynx of the human body, inoculate it in a special petri dish, and then put it into a temperature control device for cultivation. Throat swab test can understand the patient’s condition, oral mucosa and throat infection. As for how long the results will take, depending on the number of people tested, some hours, some a day, some a week.

How accurate is the flu swab test?

The flu nasopharyngeal swab test is more accurate when the virus load is sufficient.

This is used to determine whether the human body has the flu.

But if the test comes back positive, that would require sampling and testing of those who came into contact with the patient.

It can prevent the spread of influenza, and it is necessary for suspected patients to be properly isolated, placed separately, and tested.

Nasopharyngeal swabs are commonly used clinically to detect viruses.

That is, take a sampling flocked swab and gently wipe the patient’s nasopharynx, and then take samples for testing.

Np Swab Covid Test Meaning

Posted on 2022年3月16日2022年4月7日 by Dr. Lee

Np Swab Covid Test Significance Np Swab is the English abbreviation of nasopharyngeal swab.

This article provides information on how to properly perform nasopharyngeal swab sampling, how to analyze samples taken from swabs.

Nasal swab? What is the difference between a nasopharyngeal swab and a nasal swab?

Nasopharyngeal Swab Pcr Test

Nasopharyngeal Swab vs Nasal Swab (Anterior Nasal Swab)

What is the method of nasopharyngeal swab?

Collection of specimens from the surface of the respiratory mucosa with nasopharyngeal flocked swabs is a procedure used for the diagnosis of Covid-19.

A nostril sample collection is usually one of the nursing care.

What is the nasal swab technique?

Part of the inspection method is done using sub-diagnostics and collecting diagnostic samples from the membrane. Rotate for 10-5 seconds while touching both walls, then use a cotton swab with 1 mid-hole in one nostril.

In the same way in the other nostrils: usually preferred for people – and used in my own testing. The same goes for technology.

Which swab test is more accurate?

Nasopharyngeal swabs are generally the recommended sample collection technique for COVID-19 testing.

Additionally, a 2012 comparative study showed no significant analytical differences between the two influenza detection technologies.

In addition to being the typical testing approach for the diagnosis of COVID-19.

The nasopharyngeal swab: is likewise regularly utilized for the detection of different viruses and bacterial infections.

How do we perform nasopharyngeal swab sample collection?

Flocked Tip Swab

Healthcare experts need to execute these tests in a specialized and also sanitized room that prevents the spread of the infection.

All healthcare specialists administering the nasopharyngeal swab examination have to wear the suggested personal protective devices (PPE), of which ought to include an N95 mask, non reusable cap, goggles, dress, latex gloves, and also footwear covers.

When the individual sitting upright as well as their head in a straight position, as this provides very easy exposure and also access to the nasal floor, which is vertical to the facility axis of the person’s face.

The staff places the swab into the client’s nose in the same direction as the nasal cavity and diaphragm floor.

As long as there are no obstructions existing within the nasal dental caries, the swab will certainly remain to relocate this instructions until it reaches the nasopharynx.

Once the swab reaches the nasopharynx, finishes two full 360-degree rotations to enable the secretions from this area.

When we take the swab out of the individual’s nose. Immediately insert into a vial with medium.

Nasopharyngeal Swab Procedure.

What can a nasopharyngeal swab find?

As previously pointed out, a nasopharyngeal swab: is extensively utilized to identify (SARS-CoV-2) infection, which is the infection that causes COVID-19 disease.

Identified via nasopharyngeal swabs, several of which include rhinovirus, and adenovirus. flu. respiratory syncytial virus (RSV). (HPIV). (HMPV) as well as (EV).

Given that the nasopharynx is generally home to a high number of both nonpathogenic as well as pathogenic microorganisms. This testing approach can additionally be utilized to detect particular bacterial pathogens.

Such as Streptococcus pneumoniae, Haemophilus flu, as well as Moraxella catarrhalis.

A diagnostics firm, for example, has just recently presented a novel nasal swab that gathers nasal epithelial cells for the early molecular discovery of lung cancer in both current as well as previous smokers.

We obtained nasopharyngeal swab samples, and the current standard for diagnosing SARS-CoV-2 is real-time fluorescent polymerase chain reaction (RT-PCR).

Pcr test nasal swab and an antigen test difference for covid 19

Commonly, the RT-PCR test will measure several various RNA gene targets, such as several of the envelope (env), nucleocapsid (N), spike (S), RNA-dependent RNA polymerase (RdRp) as well as ORF1 genes.

RT-PCR test is an analytical technique suitable for SARS-CoV-2 discovery because of its reliability and affordability.

As well as sensitivity, especially when compared to different analysis techniques like cell culture, antigen discovery, and serological approaches.

There are numerous reasons that negative test outcomes can develop as a result of an incorrect nasopharyngeal swab method.

One instance includes the numerous locations in between the opening of the nose and also the nasopharynx where the screening workers can experience resistance.

Commonly, a knowledgeable caregiver can acknowledge when the sampling swab has actually gotten to 9-10 centimetres into the nasal dental caries.

If the swab does not reach this depth, it has not accurately tasted liquid from the nasopharynx and can for that reason not adequately determine the existence of a disease within this location of the body.

For this reason, it is critical to assess whether employees receive proper education on how to accurately perform nasopharyngeal swab testing.

Viral Transport Swab

Posted on 2022年3月1日2022年3月22日 by Dr. Lee

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

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. 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.

How to Use Specimen Collection Kit

Posted on 2022年2月22日2022年3月22日 by Dr. Lee

What is a Specimen Collection Kit?

Sample collection kits provide all the components needed to secure samples and send them to laboratories for diagnostic. Environmental sampling and research purposes. Timely collection and processing of samples are critical to ensure accurate results and prevent analytical errors.

Specimen Collection Kit Contains:

Individually packaged sterile specimen collection flocked swab;
10ml virus sampling tube, containing 3ml Viral Transport Media;
Sterilization packaging, Individual in Paper peeled pouch;

The novel coronavirus (2019-nCoV) is an RNA virus. Improper storage or transportation of samples after collection may result in the degradation of part of the nucleic acid and affect the test results;

In addition, samples that have not been inactivated virus can easily lead to indirect infection of operators.

The covid-19 sampling kit independently developed by Cell medical can not only prevent the degradation of viral RNA but also inactivate the virus.

While ensuring the test results, it can reduce the risk of biological infection during the inspection process.

Product description

Viral Transport Medium Chin, VTM kits For COVID-19. Cell medical not only produces sampling swabs but also virus sampling tubes.

Analyzing material effectively starts with collecting samples with the right tools, whether it’s collecting samples from the body to aid in medical diagnosis, identifying potentially harmful pathogens from the environment.

Or collecting samples from crime scenes to aid in investigations.

However, it is also important to ensure that contaminants do not come into contact with the sample as it travels to the laboratory. Given the plethora of options available for each of these missions, choosing the right collection and transport vehicle can be overwhelming. This is where a specimen collection kit can prove invaluable.

Features:

1. Safety: Sampling and virus inactivation are carried out simultaneously, which greatly reduces the operator’s infection risk;

2. Stability: keep the sample stable, avoid nucleic acid degradation, and ensure the accuracy of the test results;

3. High efficiency: Inactivated virus samples can be detected in conventional PCR laboratories, and the collection tube can be adapted to the Tianlong automated nucleic acid extraction system, which improves the detection efficiency of samples.

Instructions:

What is the Specimen Collection Kit?

As pointed out over, example collection packages have shown very usefully in securing examples for analysis in a large range of clinical, environmental and research study applications.

Nasopharyngeal samples collected by swabbing the upper retronasal vocal cords can supply analysis confirmation for a series of viral as well as bacterial infections, consisting of influenza, COVID-19, enterovirus D68, as well as other respiratory system conditions.
Fecal samples can be gathered by anal or fecal swabs as well as can aid clinicians detect a series of intestinal microbial infections.
A vaginal swab example can help determine the visibility of Group B Streptococcus or Streptococcus agalactiae, a type of microorganisms found in the digestive system and also birth canals of a quarter of pregnant ladies, to name a few conditions.
Food sampling is not just important for recognizing the potential presence of foodborne pathogens but is a crucial step in maintaining conformity with FDA food security requirements.

How to choose the right specimen collection kit?

It is necessary to discover a sampling collection set created for your particular end-use. This consists of using the flocked swab that best matches your sampling collection needs. As an example, foam swabs might use elution characteristics best matched for environmental and also food sampling, while polyester or crowded swabs may supply a combination of collection attributes and also person comfort far better fit for medical usage.

Nonetheless, it is not constantly necessary to utilize a sample collection package created for usage with the example cpu’s very own brand name of the fluid transfer system. Validation examinations can aid clinicians, food mill and also other samplers, and also labs recognize precise and also affordable sample collection kits. Verifying shipping systems from several suppliers has come to be a common practice in research laboratories around the globe, not just to ensure sustainable supply, but likewise to compare item top quality and expense.

Does the Nasal Swab Hurt?

Posted on 2022年2月14日2022年3月22日 by Dr. Lee

“Two and a half hours ago, I had a covid test, twice in one nostril, and my nose still hurts and feels weird.”

Brain Scraper: Does the Nasal Swab Hurt?

Nasal swab and throat swab which is painful? Nucleic acid testing generally takes nasal swabs and throat swabs, and the sampling methods of these two are also different.

On This Page

Does nasal swab test hurt?

Nasal swab and throat swab which is painful?

Which is more accurate, nasal swab or throat swab?

Precautions before doing the swab test?

How to do a nasal swab without pain?

Does nasal swab test hurt?

A nurse is doing a swab test on a patient

The nasopharyngeal swab test does not produce painful symptoms, and some patients experience discomfort. This inspection is to use a medical flocked swab to enter the nasopharynx to take a small number of secretions and send them for inspection. The pathogenic bacteria can be isolated through bacterial culture. During the operation, the patient will experience mild nausea and discomfort, which is generally within the tolerable range. During the operation, the medical staff is gentle and skilled, so there will be no pain.

Activates unconscious, instinctive reflexes. Depending on the intensity of the body’s response, discomfort, tearing, pain, and other reactions can result. Some people gag, cough, sneeze – it’s all part of the same reflex. For people who are more prone to headaches, this can cause intense discomfort.

Swab testing generally takes nasal swabs and throat swabs, and the sampling methods of these two are also different.

A nasal swab refers to a swab deep from the nasal cavity, all the way to the nasopharynx, and the secretion is taken for smearing.

Throat swabs are taken directly from the posterior pharyngeal wall of the oral cavity and the tonsillar fossa by opening the mouth. Nasal swabs are generally slightly more painful than throat swabs because they need to be passed through the nasal cavity. If there are structural abnormalities in the nasal cavity, such as a deviated nasal septum or hypertrophy of the turbinate, or there is hyperplasia in the nasal cavity, such as nasal polyps or the operator does not know much about the anatomical structure of the nose, it is possible that a cotton swab may not easily reach the nasopharynx through the nasal cavity. Partial or damaged nasal mucosa, causing local bleeding or pain and other discomforts.

Precautions before nasal swab testing?

1. Try to avoid eating 2 hours before the nucleic acid test to avoid vomiting;

2. During the inspection, reduce swallowing and do not do throat clearing (such as expectoration and spitting).

3. Pay attention to maintaining a distance of more than 1 meter between people and minimize conversations;

4. Do not drink beverages (including water), smoke, drink, chew gum, etc. 30 minutes before sampling;

5. The tested person should be informed Whether the collection personnel have a relevant past medical history (such as the history of nasal surgery, deviated nasal septum, blood disease, throat disease, etc.);

The person who did a few nasal swabs tells you how to do it without pain.

I’ve done nasal swabs several times and it’s been painless every time. Much more comfortable than a throat swab. I see a lot of netizens saying that the nasal swab is very painful and sour, this is because your posture is not correct! !!

Looking at this schematic diagram, in fact, no matter the nasal swab or the throat swab, their purpose is to let the cotton swab sample from the inner wall of the throat. Nasal swabs are not meant to poke your heavenly lid!

Therefore, you should tilt your head as far back as possible to allow the flocked swab to go in horizontally. That way the only thing you feel is a little bit of cold, and it’s over in less than 5 seconds. But if you keep your head upright, the cotton swab can only be stabbed from the bottom to the top, which will definitely stab the upper part of the nasal cavity. That position is very sensitive, and it hurts when stabbed. And because the doctor can’t see the location, he can only stir in it by the feel of the hand, so you will be sour to tears.

Nylon Flocked Swabs

Posted on 2022年2月9日2022年3月22日 by Dr. Lee

During an outbreak, everyone should be familiar with sampling swabs. When doing nucleic acid, touching the nose and throat is directly touching the sampling site of human organs, that is, directly touching our human organs. Therefore, the material of the sampling head will affect our comfort and is closely related to the subsequent detection.

On This Page

What is a Nylon flocked swab?

About sampling swab material.

What are the types of swab tests?

Nylon flock swab

Sampling swabs should be polyester, nylon and other non-cotton, non-calcium alginate swabs, and the handle should be non-wood. The breakpoint is located about 3cm from the top of the swab head, which is easy to break.

NASAL FLOCKED SWAB

Moreover, the experimental analysis shows that the extraction efficiency of nylon flocked swabs is the highest. In contrast, the recovery efficiency of nylon flocking swabs is also higher than that of other material swabs.

Nylon fibre flocking technology. The front end is coated with vertically fixed nylon short fibers, so that the entire sampling area of the sampling swab has no absorption holes, and the sampling sample will not be scattered in the fibers, which is conducive to faster and more efficient sampling!

Compared with traditional winding swabs, nylon flocking swabs collect and release 3 times the number of samples, do not damage cell samples, ensure the survival rate of cell samples, do not leave fatty acids, do not affect the test and detection results, not to mention Said to cause harm to the human body.

What materials cannot be used for sampling swabs?

As we all know, the materials of medical swabs have always attracted much attention. After all, medical swabs come into direct contact with the skin. People who touch the skin can first touch alcohol for disinfection, that’s fine, but what about those who have direct contact with organs? For example, the throat swab we are most familiar with during the epidemic.

The throat swab is in direct contact with the sampling site, and the material of the sampling head is closely related to subsequent testing. The sampling swab head should be made of nylon flocked swabs or rayon, and calcium alginate sponges or wooden stick swabs (including bamboo sticks) should not be used.

Cotton products should not be used for the swab head, because the cotton fiber has strong adsorption to protein and is not easy to clean into the subsequent storage solution; wooden.

What are the types of swab tests?

There are two different types of COVID tests – Swab tests and antibody tests.

1. Swab tests can show if you have an active coronavirus infection and should take steps to isolate or isolate yourself from others. There are currently two types of diagnostic tests – molecular (RT-PCR) tests that detect the genetic material of the virus, and antigenic tests that detect specific proteins on the surface of the virus. Samples are usually collected with a nasal or throat swab, or saliva spits into a test tube.

2. Antibody tests look for antibodies that the immune system produces in response to a threat, such as a specific virus. Antibodies can help fight infection. Antibodies can take days or weeks to develop after infection and may remain in the blood for several weeks after recovery.

Therefore, antibody tests should not be used to diagnose active coronavirus infection.

Right now, researchers don’t know whether the presence of antibodies means you’ll be immune to the coronavirus in the future. While there is a lot of uncertainty surrounding this new virus, the widespread availability of antibody testing and clinical follow-up over time also has the potential to provide the medical community with more information about whether and how long a person has recovered from the virus of people have a reduced risk of infection if they are re-exposed to the virus. Learn more about antibody testing.

About COVID-19 Swab Test

Posted on 2021年12月1日2022年3月22日 by Dr. Lee

About COVID-19 Swab Test

The new crown virus has mutated continuously.

From Delta to Omi Keron, the COVID-19 virus has continued to mutate, and the global epidemic is prevalent at a high level.

Canada announced that all entry personnel from all countries except the United States are required to be tested for the new coronavirus.

At this time, whether you are leaving the country or entering the country.

I even worry or doubt whether I have contracted the coronary disease.

Perhaps understanding the new coronavirus test has become a compulsory course for most people.

What is the new crown swab test, how to collect a nasopharyngeal swab? Is nasal swab sampling painful? If your test result is positive, what do we need to do? Why do most virus tests choose to flock swabs? Is nasopharyngeal swab accurate? Should you be tested for nasopharyngeal swab samples?

We talked with Dr. Li of Cell medical to learn more.

What is the COVID-19 test and what are the test methods?

Nucleic acid detection (RT-PCR Test) method, antibody detection, and antigen detection.

A swab test simple, effective, and fast way to detect COVID-19.

Including nasopharyngeal swab testing and oropharyngeal swab testing.

Medical staff will use flocked swabs to take samples from the nose and throat and put them into the virus sampling tube.

There are two types of swab sample testing: molecular test (PCR) and antigen test.

How to perform a COVID-19 nasal swab test?

The COVID-19 nasal swab test involves inserting a 6-inch flock (a long stick with a very soft brush) into the cavity between your nose and mouth (nasopharynx).

The medical staff inserts the flocking swab into each nostril for about 15 seconds and rotates it several times to collect enough samples for testing.

The samples are then sent to the laboratory for testing, and our test results are usually known within or within the next day

Since the nasopharynx is in a sensitive position of the body, it will produce a lot of very strange sensations.

On the one hand, the swab is inserted deeply into your nose and it irritates the lacrimal glands.

At this point, you don’t know if you are moved to tears or you are crying in pain.

The nasal swab test is not very painful, but it is very uncomfortable. Some people may have nausea during the nasopharyngeal swab test. Nasal swab painful.

Because the swab will also touch the back of your throat, this reaction is normal.

Whether it is tearing or nausea, nasal swab testing is a common phenomenon.

Don’t worry, everything is normal.

Are there other types of COVID-19 swab test methods available?

Yes, an oropharyngeal swab is one of the options.

Of course, if you want to experience another feeling, an anal swab test is also a good choice.

But they are not as sensitive as the COVID-19 nasal swab test.

Israel’s development of the new coronavirus “saliva detection method” saliva detection still needs scientists to confirm on a larger scale. There is no conclusion yet, but it is promising.

In addition to nucleic acid testing for the detection of viral genetic material, there is also antigen testing.

Currently, nasal swab testing for COVID-19, including nucleic acid testing, is still the best choice.

How about the covid test kit at home? Are their results reliable?

The home covid test kit sounds very attractive.

Home covid test usually refers to individuals collecting samples of themselves or their family members through sampling swabs.

We put the collected samples in test tubes with a virus transport medium, and then transport them to the testing facility.

Although you can use the Home covid test kit to test COVID-19 safely and comfortably in your own home.

However, Dr. Li suggested that it should be carried out at a professional testing institution.

Because the quality of the samples we collect and the integrity of the samples during transportation will affect the sampling results.

How accurate is the nasal swab test for COVID-19?

How to obtain a precise nasopharyngeal swab specimen?

Polymerase chain reaction (PCR) uses a piece of DNA as a template.

Then, with the participation of DNA polymerase and nucleotide substrate, the DNA is amplified to a sufficient amount for structural and functional analysis.

Pcr nasal swab test can be said to be very sensitive.

Scientists use PCR technology to amplify a small amount of RNA in the sample into deoxyribonucleic acid (DNA) and replicate it until COVID-19 (if present) is detected.

The following may affect the accuracy of PCR nasal swab sampling.

1. Smoking, drinking or chewing gum 30 minutes before use may also interfere with the test results.

2. Touching the swab with the hand or other objects and using the tip of the cotton swab will affect the accuracy of the detection.

Of course, the professionalism of the most important sampling personnel, we have to choose a professional testing agency for testing. And professional VTM Kits.

What should I do if the new coronary pneumonia nasal swab test is positive?

Very bad news!

If the COVID-19 nucleic acid test is positive, a single room isolation treatment should be carried out immediately.

Consultation by in-hospital experts or attending physicians will conduct multiple tests.

Under the premise of ensuring safety, the patient is safely transferred to a designated hospital for diagnosis and treatment.

Don’t worry. You need to actively cooperate with treatment

Otherwise, life is likely to be in danger, and large-scale infections will also occur.

In addition, proper physical exercise should be carried out in life to enhance the individual’s immunity. Colds and fatigue should be avoided.

Don’t do strenuous exercise, so as not to aggravate the disease.

A friend around me was infected with COVID-19. But my nasopharyngeal swab was negative. Is there any way to confirm that I have had it or am I immune to it now?

Certainly.

Antibody test, also called serological test, can detect the antiviral protein IgM and IgG antibodies produced by your immune system in the blood.

What are the types of samples for serum antibody testing?

It is generally blood, including serum, plasma, and whole blood.

PCR swab test, antibody test, and antigen test difference (Please click here)

Saliva Sample Collection Kit :Disposable saliva DNA RNA sampling tube

Posted on 2021年9月18日2022年3月22日 by Dr. Lee

What is saliva collection kit?

In recent years, with the development of medicine, the examination technology has become more and more high-end. And the examination items have become more and more accurate.

Saliva is a complex mixture, which not only contains various proteins. It also contains DNA, RNA, fatty acids and various microorganisms. Therefore, it is possible to diagnose diseases by detecting saliva. Gene detection and analysis.

Saliva collector plays an important role in the process of collecting, transporting and storing saliva samples.

It is noninvasive and easy to self-management, and reduces the risk of medical staff exposure.

Saliva Collection Kit suitable for SARS-CoV-2 sample collection.

Nucleic acid detection is the most widely used new crown detection method.

Including PCR nasopharynx swab, oropharyngeal swab and saliva sample test.

High precision. As long as the collection, breeding and separation of nucleic acids are successful, there is basically no false positive or false negative.

But the sampling staff are easy to be exposed and the risk is high; With one more step of extracting nucleic acid, unskilled technicians are likely to fail to extract, resulting in false negative, or pollute with other people's samples, resulting in false positive.

Respiratory Specimen Collections

Posted on 2021年9月15日2022年3月22日 by Dr. Lee

Respiratory Specimen Collections

Today, with the increasingly severe international COVID-19 epidemic, the correct collection of respiratory samples has become an important prerequisite for ensuring the accuracy of nucleic acid detection results.

However, how to correctly collect respiratory samples? Cell medical (Dongguan) Co., Ltd. summarizes as follows:

Why should respiratory tract samples be collected standardized and correctly?

1. Clear diagnosis;

2. Observe the condition and treatment effect;

3. Guide the formulation of treatment measures;

4. Sample quality directly determines the reliability of test results.

What are the types of respiratory samples?

1. Upper respiratory tract samples (including swabs, nasal specimens, nasopharynx extracts, pharyngeal gargle and nasal lotion, etc.);

2. Lower respiratory tract samples (such as sputum, tracheal aspirate, lung lotion, etc.);

When is the best time to collect respiratory samples?

Respiratory tract samples were collected as soon as possible after symptoms appeared;

Collect as much as possible within 72 hours of the patient’s fever;

Try to collect before the use of antiviral drugs;

If possible, collect multiple times in multiple days;

What sampling tools are needed to collect respiratory tract samples?

1. Virus sampling kits, including flocked swab, virus sampling tube, virus transport medium, etc;

2. Refrigerated transport box;

3. Personal protective equipment: protective mask (N95), protective glasses.

How to collect respiratory tract samples?

Oropharyngeal swab sampling process:

Oropharyngeal swab sampling pictures

1. The sampler first let the patient sit down, then let the patient tilt his head back and open his mouth.

2. Press the front 2 / 3 of the patient’s tongue with a tongue depressor, and wipe the posterior pharyngeal wall and bilateral tonsils with a nylon flocked swab for 3-5 times to avoid touching the tongue.

3. Take out the rear sampling tube, break the plastic handle at the contact part of the hand, soak the swab into the sampling solution, and tighten the tube cover.

Nasopharyngeal swab:

Note : do not use too much force, but try to be as deep as possible, usually more than 5cm, stay for several seconds to absorb secretions, gently rotate and take out the swab, place the sampling tube, break the plastic ellipse at the contact part of the hand, and soak the test piece into the sampling solution, Tighten the pipe cover.

Respiratory Specimen Collections preservation requirements

Those that can be detected within 24 hours can be stored at 4 ℃ and frozen at – 70 ℃ for more than 24 hours.

Nasal swab painful

Posted on 2021年8月27日2022年3月22日 by Dr. Lee

People often feel scared during the sampling process using nasopharyngeal swabs. However, is it really painful to use a nasopharyngeal swab?

It is certain that nasopharyngeal swab testing does not produce painful symptoms, but some patients may feel uncomfortable.

The doctor used a medical flocked swab to enter the nasopharynx and then took a small amount of secretions. The hospital can isolate pathogenic bacteria through bacterial culture.

During the operation of the sampler, the patient will have slight nausea and discomfort, which is generally within a tolerable range. The medical staff’s techniques are gentle and skilled, so there is no pain. We can check the bacteria that cause the infection through nasopharyngeal swabs, and select targeted drugs for treatment based on the results of the tests.

Which is painful, nasal swab or throat swab？

In contrast, nasal swabs are more painful. Pharyngeal swab is the behavior that doctors use a medical flocked swab to dip secretions from the throat for monitoring. During the collection of pharyngeal swab, the tested person may have symptoms of nausea and vomiting without other obvious pain. Nasal swab is to insert a cotton swab into the deep part of the nasal cavity to dip secretions for monitoring.

Application scenario diagram

Why nasopharyngeal swabs are better than oropharyngeal swabs

According to reports in the literature, the positive rate of nasopharyngeal swabs is higher than that of oropharyngeal swabs.
The patient has good tolerance and can basically take samples without anesthesia after skilled operation
The exposure risk of the sampler is lower than that of oropharyngeal swabs.

What is a flu swab test?

Influenza testing can be done with blood tests, nasopharyngeal swabs, etc.

How to Test for Flu with a Swab.

To perform an NP flu swab test, follow these steps:

How long does a flu swab test take?

How accurate is the flu swab test?

Nasopharyngeal Swab vs Nasal Swab (Anterior Nasal Swab)

What is the method of nasopharyngeal swab?

What is the nasal swab technique?

Which swab test is more accurate?

How do we perform nasopharyngeal swab sample collection?

What can a nasopharyngeal swab find?

We obtained nasopharyngeal swab samples, and the current standard for diagnosing SARS-CoV-2 is real-time fluorescent polymerase chain reaction (RT-PCR).

VTM Viral Transport

Technical Specifications

Category of example conservation solution （ VTM or UTM）:

Precautions:

What is a Specimen Collection Kit?

Specimen Collection Kit Contains:

Product description

Features:

Instructions:

What is the Specimen Collection Kit?

How to choose the right specimen collection kit?

Does nasal swab test hurt?

Swab testing generally takes nasal swabs and throat swabs, and the sampling methods of these two are also different.

Precautions before nasal swab testing?

The person who did a few nasal swabs tells you how to do it without pain.

Nylon flock swab

What materials cannot be used for sampling swabs?

What are the types of swab tests?

What is the COVID-19 test and what are the test methods?

How to perform a COVID-19 nasal swab test?

Are there other types of COVID-19 swab test methods available?

How about the covid test kit at home? Are their results reliable?

How accurate is the nasal swab test for COVID-19?

How to obtain a precise nasopharyngeal swab specimen?

Pcr nasal swab test can be said to be very sensitive.

What should I do if the new coronary pneumonia nasal swab test is positive?

A friend around me was infected with COVID-19. But my nasopharyngeal swab was negative. Is there any way to confirm that I have had it or am I immune to it now?

Certainly.

what are the differences between the nasal swab and saliva tests for covid 19?

What is saliva collection kit?

Nucleic acid detection is the most widely used new crown detection method.

How to use saliva sample collection kit

Why should respiratory tract samples be collected standardized and correctly?

What are the types of respiratory samples?

When is the best time to collect respiratory samples?

What sampling tools are needed to collect respiratory tract samples?

How to collect respiratory tract samples?

Oropharyngeal swab sampling process:

Nasopharyngeal swab:

Respiratory Specimen Collections preservation requirements

People often feel scared during the sampling process using nasopharyngeal swabs. However, is it really painful to use a nasopharyngeal swab?