allergy
asthma
asthmatic
babies
baby
boy
breath
breathing
bronchitis
care
caucasian
child
children
close up
emergency
equipment
exercise
face
flu
head
health
healthcare
hospital
human
illness
infection
inhalation
inhaler
inhaling
lung
mask
medical
medicine
one
only
oxygen
patient
people
person
preschooler
protection
respiratory
science
small
smoke
therapy
vapor
years
young