raster flat covid-19 warning icon

2019ncov accident alarm alert attention axenic bacilla bacillus bacteria bacterium beware biohazard caution contagious coronavirus danger design elementquot epidemic exclamation flat flu glyph grippe hazard icon iconquot infect infectious information mark mers microbe microbiology microorganism notice outbreak outbreakquot pandemic pathogen pneumonia pointer precaution problem quot raster safety sickness signal symbol viruses warning