air
allergy
animal
bacteria
bacterium
bad
bear
biology
boy
care
cell
cold
contagious
cough
cute
danger
dirty
disease
doll
flu
germs
hand
health
healthcare
ill
illness
infected
infection
influenza
isolated
mask
medical
medicine
microbe
negative
organism
pollen
pollution
pretty
sick
sickness
spread
stuffed
symptoms
teddy
teddybear
viral
virus
white