英文關鍵字
2019
alcohol
antibacterial
antiseptic
based
clean
cleaning
cleansing
concept
coronavirus
covid
disease
disinfection
epidemic
equipment
essential
flu
gel
germs
hand
health
hygiene
hygienic
infection
influenza
interior
lockdown
mask
medical
ncov
necessary
outbreak
pandemic
prevent
prevention
protection
protective
quarantine
rubbing
safety
sanitation
sanitiser
sanitizer
shutdown
soap
spread
stop
the
travel
virus