2019ncov
antiviral
antiviral drug
antivirus
ban
biohazard
blocked
chinese
concept
contamination
coronavirus
covid
covid19
danger
dangerous
drug
epidemic
favilavir
favipiravir
flu
global
infected
mask
ncov
outbreak
pandemic
pneumonia
prohibited
protect
quarantine
red
resist
respiratory
risk
science
sickness
stop
taiwan
treatment
unallowed
usa
vaccine
virus
virus strain