Ключевые слова: allergy, biotechnology, blackboard, care, chemical, clinic, clinician, composition, cure, disease, disposable, doctor, doctors practice, dose, drug, emergency, emotional, flu, health, healthcare, help, hypodermic, illness, immune, immunisation, immunity, immunization, infection, infectious, inject, medical, medicine, pharmaceutic, pharmaceutical, pharmacology, prevention, shows, support, text, treatment, vaccination, vaccine, virus, word, yellow background,