英文關鍵字
mask
coronavirus
virus
quarantine
epidemic
disease
flu
infection
pandemic
woman
medical
protection
face
people
outbreak
infected
influenza
health
protective
safety
chinese
danger
medicine
viral
illness
prevention
corona
person
contagious
respiratory
girl
breathing
group
china
city
treatment
asian
antiviral
vaccine
secure
fever
care
ncov
protect
contamination
human