英文關鍵字
2019
alert
animated
antibiotics
area
asian
attention
banner
care
cell
china
chinese
color
coronavirus
covid
danger
deathly
design
disease
epidemic
europe
fever
flu
gradient
hazard
health
immunity
infect
infection
infective
influenza
information
italian
medical
minimal
ncov
novel
outbreak
pandemic
pathogen
protection
red
shape
simple
symbol
text
virus
warning
white
word
wuhan