Ключевые слова: antibiotic, biology, blue, bottle, care, clinic, closeup, concept, contagion, contagious, corona, coronavirus, covid, covid 19, covid19, covid19 vaccine, cure, disease, doctor, dose, epidemic, equipment, flu, glass, health, health care, healthcare, healthcare and medicine, hospital, illness, immunization, infection, infectious, injection, laboratory, liquid, medical, medication, medicine, pandemic, pharmaceutical, protection, research, science, treatment, tube, vaccination, vaccine, vial, virus,