Ключевые слова: 19, care, clinic, clinical, corona, coronavirus, covid, covid19, damage, disease, doctor, earth, endemic, environment, environmental, flu, global, globe, health, healthcare, illness, immune, immunity, infection, infectious, influenza, issues, man, medic, medical, medication, medicine, outbreak, pandemic, people, person, physician, planet, practitioner, prevention, preventive, spreading, transmission, transmitted, vaccinating, vaccination, vaccine, vertical, virus, world,