The virus spreads when other people breathe in infected droplets or when the droplets land in the eyes, nose or mouth of a person nearby. Infection with the COVID-19 virus may also occur if someone is exposed to very small droplets or aerosols that stay in the air for several minutes or hours.
china shenzhen huaree tech Biological, Disposable sterile sampling swab, Disposable Virus Sampling Tube, COVID-19 Rapid Antigen Test Kits, saliva collector production direct manufacturers