Ключевые слова: baby, bed, bedtime, boy, boys, care, caucasian, cheek, child, childhood, children, clinic, closeup, concept, conceptual, development, disease, doctor, drug, hand, health, hospital, illness, immunity, immunization, infant, infection, injecting, injection, kid, kids, little, medical, medicine, needle, newborn, patient, pediatrician, prevention, protection, sick, sleep, small, syringe, tiny, treatment, vaccinating, vaccination, vaccine, virus,