英文關鍵字
background
bacteria
biology
blood
care
concept
coronaviurs
covid
danger
disease
doctor
ebola
epidemic
female
fever
flu
h1n1
health
healthcare
hospital
human
ill
illness
infection
infectious
influenza
isolated
laboratory
mask
medical
medication
medicine
outbreak
pandemic
people
prevention
protection
research
safety
science
scientific
sick
sickness
syringe
treatment
vaccination
vaccine
virus
white
woman