Ключевые слова: 19, background, banner, beijing, black, blue, booklet, contagious, corona, coronavirus, covid, crowd, direct, doctor, emergency, face, female, flyer, gear, grey, header, health, healthcare, hospital, hygienic, isolated, mask, medic, medical, nurse, outbreak, panorama, panoramic, patient, people, person, preventive, protect, protection, sars, sick, staff, surgical, virus, wearing, white, woman, women, worker,