Ключевые слова: accessibility, adult, allergy, alms, antibody, arm, assistance, background, beggar, begging, body, care, charity, clean, clinical, closeup, communication, concept, conceptual, cure, defense, demonstrating, disease, empower, empty, epidemiology, extending, fingers, gesture, give, giving, guy, hand, hands, health, healthy, help, hold, holding, hope, human, illness, image, immune, immunity, immunization, immunize, immunodeficient, immunology, immunotherapy, increase, infection, isolated, language, male, man, medical, open, palm, part, person, pleading, poor, poverty, prevent, prevention, protection, resist, resistance, science, showing, sign, skin, studio, support, symbol, system, take, text, therapy, vaccination, vaccine, virus, white, word, wrist,