tools to combat the global coronavirus epidemic. medical mask and syringe.

2019 2019cov 2019ncov 2019ncovcoronavirus antibiotic bacteria biohazard biology blood blue china chinese clinic combat concept coronavirus coronaviruscoronavirus covid19 crown danger deadly disease east epidemic face flu global help hospital infected infection mask medical medicine mers merscov microbiology middle ncov new novel outbreak pandemic pneumonia prevention protective quarantine respiratory science symptoms syndrome syringe textnovel tools vaccine viral virology virus wuhan