Ключевые слова: background, blue, care, christmas, clinic, doctor, epidemic, equipment, face, flu, hat, health, healthcare, hospital, human, hygiene, illness, infection, influenza, instrument, isolated, laboratory, man, mask, medic, medical, medicine, nurse, occupation, operating, operation, patient, physician, pollution, portrait, profession, professional, protection, protective, respiratory, safety, santa, surgeon, surgery, surgical, therapy, tree, virus, white,