man with black hair holds up three colourful masks in natural light

anti background beige black brown care china cold contagion contamination corona coronavirus covering covid19 epidemic face facepiece ffp1 ffp2 ffp3 focus gray green grey hair hand health hidden infection influenza medical mortality n95 nonvalved out particulate person polo prevention protect protection protective quarantine rate respiratory safeguard safety sarscov2 skin textured the tshirt valved virus warrior white yellow yourself