asian girl wearing facial hygienic mask with wording ` stop covid-19`.

2019 2019ncov airport asian background bei biohazard child china chinese contagious corona coronavirus covid19 covid19concept danger disaster disease diseasecovid19ncov emergency epidemic eyes face facial flu girl hospital hygienic ill illness infection infectious influenza kid mask microbiology new novel outbreak panic patient people pneumonia pollution portrait protective quarantine risk safety sars screening sickness stop viral virology virus wearing wording wuhan