英文關鍵字
asthma
asthmatic
backgrounds
breathing
bronchitis
clinic
compressor
corona
coronavirus
cough
covid
diffuser
disease
drops
epidemic
equipment
flu
healthcare
hospital
humidifier
illness
infection
influenza
inhalation
inhaler
isolated
lungs
mask
medical
medicine
mist
ncov
nebuliser
nebulizer
oxygen
pandemic
pneumonia
pulmonary
quarantine
recovery
respiratory
sars
sickness
sprayer
therapy
treatment
vapor
vaporizer
virus