Ключевые слова: active, boy, care, center, child, childhood, children, day, device, diagnostic, digital, disease, display, distance, electronic, elementary, face, flu, hand, head, health, healthy, heat, ill, illness, infection, infrared, instrument, kid, kinder, kindergarten, laser, little, measure, measurement, medical, medicine, modern, people, person, primary, school, sick, sickness, temperature, test, thermometer, tool, virus, young,