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Selective focus of schoolgirl applying hand sanitizer near teacher and clean hands for zero infections lettering in classroom

Horizontal image of schoolgirl in medical mask pointing with finger near chalkboard and clean hands for zero infections lettering in classroom

Cropped view of girl washing hands on quarantine with clean hands for zero infection lettering

Cropped view of man washing hands isolated on blue, clean hands for zero infections illustration

Cropped view of doctor spraying antiseptic on hands near test tubes, clean hands for zero infections illustration

African american teacher helping schoolgirl during lesson

Boy in medical mask reading book near african american teacher and pupils in classroom, banner

Redhead schoolgirl in medical mask writing in notebook during lesson

Schoolboy in medical mask raising hand near blurred multiethnic classmates during lesson

African american teacher in medical mask standing near asian girl writing in notebook

Asian girl in medical mask raising hand during lesson

Teenage boy in medical mask near teacher measuring his temperature with pyrometer

Schoolgirl in medical mask writing in notebook near classmate on blurred background