英文關鍵字
air
breathe
cap
care
caucasian
clinic
coronavirus
covid19
danger
disease
doctor
epidemiology
female
future
girl
glove
healthcare
hospital
illness
infection
laboratory
mask
medic
medical
microbiologist
nurse
pandemic
person
portrait
professional
protection
protective
quarantine
reflection
respirator
sad
safety
sarscov2
tired
traces
uniform
virus
window
woman