英文關鍵字
2019ncov
background
black
blue
closeup
concept
coronavirus
covid19
disease
disposable
epidemic
face
fall
falling
flu
flying
grippe
group
healthcare
hygiene
illness
infection
influenza
laboratory
lot
mask
medical
medicinal
medicine
nobody
object
outbreak
pandemic
pneumonia
prevention
protection
protective
quarantine
respirator
respiratory
safety
sars
surgery
surgical
virus
wear
wearing
white