英文關鍵字
alert
awareness
bacteria
bacterium
blue
breathing
case
caution
cdc
cellular
chill
condition
coronavirus
covid
cure
dangerous
death
difficulty
disease
emergency
epidemic
fever
germ
global
green
healthcare
hospitalize
illness
infected
infection
inflammation
influenza
level
mers
mortality
nasal
new
pain
pandemic
patient
pneumonia
problem
rate
recovery
rehabilitation
respiratory
sars
scale
spread
swirl
symptom
throat
virus
who