Ключевые слова: baby, back, background, bacterial, blister, blistering, bubble, care, chicken, chickenpox, child, contagion, contagious, crust, disease, epidemiology, fever, health, ill, illness, immune, immunity, infection, infectious, itch, kid, little, medical, medicine, patient, pediatrician, people, pimples, pox, rash, reaction, scab, scratch, sick, sickness, skin, smallpox, spots, symptom, system, temperature, toddler, vaccination, varicella, virus,