Ключевые слова: adult, antibodies, aseptic, breath, clinic, concern, delta variant, disease, epidemic, face, face mask, green pass, hair, healthy, hope, hospital, illness, immunity, immunodeficient, indoors, infection, isolation, lifestyle, medical, medicines, microbes, optimism, pandemic, patient, people, portrait, prevention, protection, protective, quarantine, respiration, respiratory, selfisolation, sick, stay, thinking, vaccines, vax, waiting, winter,