英文關鍵字
2019ncov
air
airport
alert
care
caucasian
chinese
city
control
coronavirus
cough
covid19
danger
disease
epidemic
face
female
fever
flu
health
healthcare
ill
illness
infected
infection
infectious
influenza
mask
medical
medicine
pandemic
person
pneumonia
portrait
prevention
protect
protection
protective
public
risk
sick
sickness
symptom
temperature
tourist
unhealthy
virus
woman
young