Ключевые слова: adult, analyzing, antibody, antigen, background, checkmark, closeup, concept, cotton, detection, device, diagnostic, disease, equipment, hand, health, holding, home, immune, infected, infection, kit, man, medicine, nasal, negative, pandemic, people, protection, quarantine, quick, rapid, result, sample, sarsvirus, science, selftest, showing, stripes, swab, technology, test, testing, young,