英文關鍵字
alfa
background
bacteria
bacterium
biology
blood
cancer
cell
chronic
disease
epidemic
flu
germ
health
hepatitis
hiv
human
illness
immune
infection
infectious
inflammation
influenza
liver
macro
medical
medicine
microbe
microbiology
microscope
microscopic
organic
organism
render
research
science
scientific
structure
viral
virology
virus
viruses