photo about wearing mask. teen wearing mask and holding head. depression concept.

2019 analysis biohazard breaking cause clean concept corona coronavirus coronavirusvaccine covid depressed depression diagnosis disease doctor education epicentre fever flu grocery hand head healthcare his holding hospital hygeine infection lab mask medical ncov negative news outbreak pandemic photo precautions protection protective research risk safe serious shop sign stayhome stress teen teenwearingmask tensed test vaccine virus washhands wearing wearingmask wuhan