Step 7 Identifying Scoreline 417244326

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