Features of Flocked Swab-oral swab Viral infection is a respiratory infection. Generally, the incubation period of virus infection is less than one week. The symptoms of virus infection are: pharyngeal conjunctival heat, respiratory tract infection, hemorrhagic cystitis, diarrhea, pericarditis, chronic interstitial fibrosis, fever, etc. The diet should be light, eat more vegetables and fruits, quit … Continue reading Features of Flocked Swab