英文關鍵字
bacterium
blue
care
clinic
closeup
corona
coronavirus
covid
covid19
danger
disease
epidemic
flu
glove
gloves
hands
health
hygiene
illness
infection
man
mask
medical
medicine
nitrile
outdoor
pandemic
patient
people
person
protect
protection
protective
putting
quarantine
sick
sickness
sterile
stress
virus
woman