英文關鍵字
abstract
biochemistry
biology
biomolecule
blood
care
chemical
chemistry
closeup
dangerous
death
disease
doctor
ebola
endemic
epidemic
flu
gloves
hazardous
health
healthcare
hospital
human
illness
infection
infectious
magnification
mask
medical
medicals
medicine
microbe
microbiology
microscope
microscopic
nurse
organism
pandemic
pathology
prevention
protection
research
safety
science
sickness
spread
vaccine
virus