英文關鍵字
blue
care
clinic
clipped
close
closeup
contagion
coronavirus
coughs
covid19
disease
doctor
emergency
epidemic
face
flu
h1n1
health
healthcare
holding
hygiene
illness
image
infection
influenza
isolated
mask
medical
medicine
ncov
object
occupation
one
pandemic
path
pollution
procedure
protection
protective
safety
science
security
sick
sterile
surgery
surgical
swine
virus
wear
white