Smear for virus detection. Taking analysis with a smear. Nurse's hands close-up with a smear.
Keywords
hand,
disease,
nurse,
hospital,
flu,
vaccine,
quarantine,
virus,
laboratory,
epidemic,
smear,
woman,
germ,
analysis,
sterile,
person,
mutation,
chemistry,
infection,
positive,
pandemic,
pipe,
glove,
chopstick,
pneumonia,
health,
sample,
closeup,
corona,
detection,
negative,
doctors office,
equipment,
immunity