Ключевые слова: ag, analyzing, antibody, antigen, atk, bangkok, check, concepts, copy space, corona, coronavirus, covid, delta, diagnosis, disease, doctor, epidemic, equipment, health, home, hospital, illness, immunity, infection, isolation, kit, laboratory, lockdown, medical, medicine, negative, nose, pandemic, positive, quarantine, quick, rapid, result, sars, screening, self, spit, spread, stick, swab, test, thailand, travel, vaccine, virus,