英文關鍵字
bear
biohazard
breath
contagious
corona
coronavirus
depression
despair
disease
doctor
epidemic
flu
frightened
health
ill
illness
individual
infect
infected
infection
influenza
isolation
kid
look
mask
medical
medicine
outbreak
pandemic
panic
play
pneumonia
prevention
protect
protection
protective
quarantine
respirator
respiratory
sad
safety
sick
sickness
stand
stop
unhappy
vaccine
virus
wearing
worried