Teacher giving tests to student in protective medical masks, groupmates passing sheets to each other at classroom
Tracking shot of medical scientist in lab coat and bouffant cap sitting at desk and using microscope, then talking to female colleague with clipboard
Medical professional tests the ear of an adult man
Medical professional tests the ear of an adult man
Medical professional tests the ear of an adult woman
Medical scientist with coverall in laboratory room performs tests with blue liquid on test tube typing. Doctors examining vaccine evolution using high tech researching diagnosis against covid19 virus
Medical professional tests the ear of an adult man
Medical professional tests the ear of an adult woman
Medical professional tests the ear of an adult woman
Medical professional tests the ear of an adult woman
Medical professional tests the ear of an adult man
Medical professional tests the ear of an adult woman