pcr, rt, report, test, 19, 2, 2019, analyze, analyzing, blood, care, certificate, check, checkup, coronavirus, cov, covid, covid-19, detectable, detected, diagnosis, dna, exam, form, gene, health, laboratory, medical, medicine, molecular, nasopharyngeal, ncov, negative, not, permit, positive, result, rna, rt-pcr, sample, sars, sars-cov-2, swab, throat, undetectable, undetected, up, work
