英文關鍵字
hospital
injection
medical
clinic
virus
treatment
vaccination
vaccine
medicine
illness
health
needle
doctor
nurse
syringe
care
flu
people
immunization
hand
disease
closeup
coronavirus
therapy
injecting
covid19
equipment
shot
hands
protection
insulin
man
immunity
healthcare
vaccinating
professional
diabetes
corona
infection
medic
epidemic
preventive
background
risk
influenza
holding
prevention
indoors
gloves
open