atmospheric pollution
bacteria
beware of germs getting
bronchitis
care
children
clean
cold
cough
cup
disinfect
education
elementary school
environmental issues
environmental pollution
female
fever
flu
gargle
germs
girl
habit
hay
healthy
hygiene
hyperthermia
illness
illustration
infection
little girl
medical care
nursery
pathogenic bacteria
pollution
prevention
public health
school
smog
sterilization
toothpaste
virus
water
winter
wog
womens