英文關鍵字
vaccine
protect
medicine
virus
covid19
sarscov2
coronavirus
medical
health
vaccination
laboratory
corona
injection
treatment
flu
syringe
research
science
drug
illness
epidemic
immunization
medication
lab
vial
infection
test
needle
2019ncov
liquid
pandemic
equipment
dose
therapy
bottle
covid
cure
clinical
pharmaceutical
pharmacy
blue
white
protection
preventing
disease
healthcare
closeup
animation
loop