Ключевые слова: background, beaker, blood, clinical, closeup, concept, contagion, coronavirus, cov, covid19, diagnosis, disease, doctor, epidemic, epidemy, expertise, flag, germany, glove, hand, health, healthcare, holding, illness, infection, influenza, lab, medical, medicine, ncov, pandemic, pandemy, people, person, positive, protective, research, respiratory, sample, sars, sarscov2, science, scientific, scientist, sickness, test, tube, viral, virus,