英文關鍵字
2019ncov
2020
allergy
bacterium
brunette
care
corona
coronavirus
covid19
danger
disease
epidemia
epidemic
face
flu
grippe
health
illness
indoor
infection
isolation
medical
outdoors
pandemia
pandemic
people
person
protective
quarantine
red
respiratory
sars
shirt
sick
symptoms
syndrome
trees
virus
woman