Mladý učitel v lékařské masce při pohledu do kamery, zatímco drží ukazující hůl v blízkosti prázdné tabule - Stock fotografie a obrázky

Young teacher in eyeglasses holding open book and looking at camera while standing near chalkboard

Portrait of attractive lady demonstrating copy space decision advert advice wear mask isolated over bright blue color background.

Covid -19 coronavirus. the brunette is a doctor. Scared and shocked by the crown virus pandemic, the alarmed doctor. banner ettention covid-19

Young woman in medical mask looking at camera on black background

A multi-racial female teacher with a facemask fixing her glasses in a classroom - covid19

Photo of school girl arms hold book wear blue face mask isolated on bright yellow color background.

Young woman in medical face mask on a white background

African american teacher pointing with hand at blurred pupils during lesson

African american businesswoman touching medical mask while colleagues talking on blurred background

Blonde businesswoman in medical mask looking at camera while multiethnic colleagues talking on blurred background

Blonde woman in safety mask looking at camera near physician filling syringe with vaccine

African american teacher in medical mask gesturing near laptop in classroom

Middle aged doctor in white coat adjusting medical mask isolated on blue

African american woman in medical mask looking at camera

Young woman looking at camera while touching medical mask