Ключевые слова: adult, ampoule, anesthesia, antibiotic, background, care, chemistry, clinic, closeup, concept, development, disease, doctor, drug, effective, epidemic, flu, glove, hand, health, healthcare, holding, horizontal, hospital, hygienic, immune, injecting, laboratory, man, medication, medicine, needle, outbreak, pandemic, person, protection, safety, sample, shot, studio, syringe, vaccination, vial, virus, white,