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How do you perform a swab test?
swab, gently pressing against the inside of your nostril at least 4 times for a total of 15 seconds. Get as much nasal discharge as possible on the soft end of the swab. the swab. china shenzhen huaree tech Biological, Disposable sterile sampling swab, Disposable Virus Sampling Tube, COVID-19 Rapid Antigen Test Kits, saliva collector production direct manufacturers
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