英文關鍵字
adult
antibacterial
closeup
coronavirus
covid
covid19
danger
disease
door
epidemic
germs
h1n1
hand
handle
home
hygiene
infection
lockdown
measure
merscov
microbes
ncov
opening
outbreak
pandemic
people
person
personal
precaution
prevention
protective
psychosis
quarantine
risk
safety
sanitation
sars
spread
surface
tissue
touching
unrecognizable
virus
woman