bacteria
boys
bubbles
children
clean
cold prevention
customs
cute
elementary school students
family
faucet
flu
germs
health
illustrations
indoor
infant
infection prevention
japanese people
lifestyle
measures
measures against infectious diseases
mom
mother
new coronavirus
new lifestyle
parentchild
pathogenic bacteria
person
prevention
simple
smile
sterilization
together
toilet
two
virus
wash
wash basin
wash your hands
water
whistle removal
white back
with corona
women
young