Ключевые слова: aid, backgrounds, blanket, camp, care, covid19, disease, disinfect, effect, emergency, epidemic, equipment, evacuation, field, flu, hazard, health, healthcare, hospital, hygiene, indoors, infection, isolation, machine, mattress, medical, orange, pandemic, pathogen, patient, pillow, quarantine, rail, rescue, room, safety, sheet, shelter, sick, stretcher, temporary, therapy, treatment, unit, urgency, vaccination, virology, virus, wallpaper, white,