英文關鍵字
2019
2019ncov
animation
attention
background
careful
cautious
checkout
conclusion
coronavirus
covid
covid19
covid2019
danger
dangerous
diagnosis
disease
epidemic
epidemy
fatal
footage
illness
imprint
infection
infectious
influenza
information
leaves
lethal
medicine
novel
outbreak
pandemic
people
pneumonia
red
seal
stamp
surface
video
virus
wary
white
wuhan