analysis
antibody
baby
caucasian
checkup
child
children
covid
crown virus
diagnosis
disease
dna
epidemic
exam
examination
examining
girl
girlhood
kid
little
little girl
medical
medical checkup
medical examination
medical swab
medicine
mouth
muzzle
open
opened
saliva
search
searching
specimen
specimens
swab
swabs
tampon
test
testing
virus