Ключевые слова: accident, action, alert, attention, avert, background, banner, caution, check, contamination, control, cushion, danger, defend, diagnosis, disease, embossed, epidemic, guard, guide, guideline, hazard, health, healthcare, help, hold, hospital, illness, infection, letter, medical, medicine, outbreak, preserve, prevent, protect, protection, risk, safe, safety, screen, security, shelter, shield, stop, support, treatment, warning, white, word,