英文關鍵字
2019ncov
air
asian
bacteria
biohazard
caucasian
chinese
corona
coronavirus
cough
covid
covid19
disease
endemic
epidemic
flu
guy
ill
illness
infect
infected
infection
infectious
male
man
mask
medical
ncov
outbreak
pandemic
patient
people
person
pneumonia
pollution
protection
quarantine
rash
respiratory
sick
sickness
student
symptoms
syndrome
teenager
virus
wearing
youth