active
boy
care
center
child
childhood
children
day
device
diagnostic
digital
disease
display
distance
electronic
elementary
face
flu
hand
head
health
healthy
heat
ill
illness
infection
infrared
instrument
kid
kindergarten
laser
little
measure
measurement
medical
medicine
modern
people
person
primary
school
sick
sickness
temperature
test
thermometer
tool
virus
young