Ключевые слова: ague, aids, allergy, background, bacteria, blue, care, clinic, clinical, close, closeup, cure, digits, disease, dose, drug, epidemic, fever, flu, flue, green, health, healthcare, hospital, hypodermic, illness, immune, infection, inject, injection, laboratory, medical, medicine, needle, numbers, overdose, pharmacology, prevention, science, sharp, shot, sickness, syringe, transfusion, treatment, vaccination, vaccine, vertical, virus, white,