英文關鍵字
ampoules
antibody
antivirus
app
background
business
care
cellphone
certificate
concept
corona
coronavirus
covid
digital
disease
display
electronic
epidemic
flat
health
immunity
immunization
infection
internet
lay
medical
medicine
mobile
new
normal
object
online
pandemic
passport
prevention
protection
result
safety
screen
smartphone
status
technology
test
top
travel
traveler
vacation
vaccination
vaccine
view
virus
web