Vista posterior de la colegiala, y el profesor en la escritura de la máscara médica en pizarra - Foto e imagen de stock

Young african american businesswoman in protective mask holding notebook and looking at camera in office

Schoolgirl in medical mask holding pen near laptop and blurred teacher

Doctor looking at lungs x-ray near sick woman in medical mask

Schoolgirl holding medical mask and breathing near blurred laptop in classroom

Young businesswoman in medical mask holding paper folder near blurred multiethnic colleagues

Partial view of african american manager disinfecting hands at workplace, and colleagues standing on blurred background

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