英文關鍵字
2019ncov
aged
alert
alone
bed
care
clinic
contamination
corona
coronavirus
cough
covid
covid19
cure
disease
elder
elderly
epidemic
female
flu
health
hospital
illness
infected
infection
influenza
lying
mask
medical
medicine
medium
motion
old
outbreak
pandemic
patient
pensioner
people
pneumonia
quarantine
ray
room
senior
shot
sick
sickness
sitting
slow
treatment
virus
woman