英文關鍵字
2019ncov
adult
aged
allergic
care
caucasian
citizen
close
closeup
corona
coronavirus
covid
covid19
danger
depth
disease
elderly
epidemic
european
eye
eyes
face
father
focus
grandfather
gray
hair
health
healthcare
infect
man
mask
medical
old
pain
pandemic
patient
people
portrait
prevention
proof
protecting
protection
protective
quarantine
sad
selective
senior
shallow
virus
viruses
wearing
wrinkled