英文關鍵字
alarm
alert
background
behavior
biohazard
breath
breathing
caucasian
clothing
concept
corona
coronavirus
cough
covid
danger
disease
epidemic
face
flu
girl
grippe
health
hotspot
illness
individual
infection
mask
medical
medicine
outbreak
pandemic
panic
patient
personal
pneumonia
protection
protective
quarantine
respiratory
responsibility
rule
security
sick
sickness
spread
studio
unhealthy
virus
woman