coronaviruscoronavirus bacteria with the inscription 2019-nkov new bacteria coronavirus

2019ncov 2019nkov attention bacteria bacterium biohazard bronchus cell china chinese concept concepts contamination corona coronavirus coronavirus2019 cov2019ncov danger dangerous diarrhea disease element epidemic fever flat flu global help icon illustration infected infection inscription isolated logo medical medicine microbe microbiology microscopic new pandemic pathogen pneumonia quarantine risk stop vaccine vector virus vomiting warning web wuhan