Step 7 Identifying Scoreline 417991108

Tags: break equipment push medical insert hands nose gloves hospital thumb flat patient test tube sample lab laboratory collection cap outline cotton virus forefinger middle analysis wrapper saliva examine analyze prevention swab specimen nostril contagious discard nasal PCR septum cotton swabs nasopharynx nasal swab step 7 covid 19 respiratory viral open collection swab shaft nasopharyngeal flocked swabs across the scoreline