asian woman wears a face mask, coughing with wear mask for virus protection

2019ncov alert asian biohazard china chinese concept contagious corona coronavirus cough coughing covid covid19 danger dangerous diagnosis disease face fever flu global hazard health human illness illustration infection influenza mask medical medicine mers microbiology ncov outbreak pandemic pneumonia prevention protection quarantine respiratory sars sick sickness symptoms vaccine viral virology virus viruscovid19 warning wear wears woman wuhan