英文關鍵字
2019ncov
air
allergy
biohazard
caucasian
coat
corona
coronavirus
covid
covid19
disease
epidemic
eyes
face
flu
ill
illness
infected
infection
infectious
look
looking
male
man
mask
medical
ncov
outbreak
pandemic
person
pneumonia
pollution
protection
protective
quarantine
respirator
respiratory
sick
sickness
spread
student
teenager
virus
white
young
youth