英文關鍵字
air
biohazard
caucasian
child
corona
coronavirus
covid
covid19
disease
epidemic
face
fear
flu
girl
health
hospital
human
illness
infection
infectious
influenza
isolation
little
mask
medical
medicine
outbreak
pandemic
patient
pneumonia
pollution
portrait
prevention
protection
protective
quarantine
respiratory
sad
safety
sars
selfisolation
sick
sickness
virus
window
woman
young