coronavirus 2019-ncov coronavirus concept resposible for asian flu outbreak and coronaviruses influenza as dangerous flu strain

2019-ncov abstract acia asian background bacteria bacterial biology blood body cancer cases cell china close concept corona coronavirus coronaviruses dangerous digital disease epidemic flu for h1n1 health hiv human illness illustration infection infliuentsa influenza medical medicine micro microbe microbiology microscope microscopic organism outbreak pandemic pandiemiia red render rendering resposible science strain texture up virology virus