40s
african american
analysing
black
caucasian
close up
cure
doctor
female
focus on foreground
forties
front view
health
holding
hospital
lab
lab coat
laboratory
medical
medicine
mixed race
occupation
one person
pandemic
people
person
researching
sample
science
scientist
studying
test tube
testing
vaccine
variant
vertical
virology
virus
waist up
white coat
woman
women
worker
working