Ключевые слова: background, biology, bottle, care, closeup, coat, coronavirus, covid19, cure, development, disease, doctor, dose, drug, equipment, gloves, hands, health, healthcare, holding, hospital, illness, immunity, immunization, infection, injectable, isolated, laboratory, liquid, man, mask, medic, medical, medicament, medication, medicine, person, protection, protective, quarantine, research, science, showing, syringe, treatment, treatments, vaccination, vaccine, vial, virus,