Ключевые слова: against, background, bottle, chemical, concept, corona, coronavirus, covid, covid19, disease, doctor, dose, drug, fighting, glass, hand, health, holding, hospital, hypodermic, illness, immunity, immunization, injection, lab, laboratory, liquid, medical, medication, medicine, ncov, needle, research, results, science, scientific, scientist, syringe, test, treatment, vaccination, vaccine, virus, white, writing,