Ключевые слова: 19, blue, check, clinic, collection, concept, corona, coronavirus, covid, covid19, diagnosis, doctor, eu, europe, focus, glove, hand, health, healthcare, holding, immune, immunization, info, information, label, laboratory, medical, medicine, nasal, omicron, outbreak, pandemic, pcr, quarantine, required, showing, strain, swab, technology, test, testing, tourism, tourist, travel, tube, uk, usa, variant, virus, who,