Ключевые слова: alert, background, bacteria, biology, blood, covid 19, dangerous, disease, east, epidemic, flu, health, home quarantine, human, illness, infection, influenza, infographic, medical, medicine, mers, merscov, microbe, middle, middle east, outbreak, prevention, protect from covid, sars, science, self isolation, sick, sickness, sign, stay at home, stay safe, symbol, syndrome, to do list from home, treatment, vaccine, viral, virus, warning,