Teacher giving tests to student in protective medical masks, groupmates passing sheets to each other at classroom
Hand takes medical protective mask from wall. Hand holding medical protective mask on white wall. Several Medical Masks nailed to the wall
Team of multiage multiethnic scientists in protective face masks and medical uniforms discussing papers on clipboards while working together in laboratory during pandemic
Diverse scientists in masks and uniforms pose in lab
Collegues with protection medical face masks sitting at desk
Male doctor with protective face mask and stethoscope
Coworkers with protective face masks talking about management statistics
Woman discussing diet plan with nutritionist, wearing masks in office
Portrait of team of multiethnic doctors in uniform, protective masks and screens standing together in medical office and posing for camera while working during covid-19 pandemic
Diverse businessmen wearing face masks using computers passing paperwork in office
Woman with protective medical face mask talking on phone
Face of man with bonnet and white medical protective mask. Patient or doctor. Close up view