aid
analysis
analyzing
antibiotic
bacteria
bank
biochemistry
biology
biotechnology
blood
checking
chemical
chemist
chemistry
collecting
collection
diagnostic
doctor
donor
examining
glass
health
healthcare
hematologist
hematology
hepatitis
infection
lab
laboratory
man
medical
medicine
microbes
protection
protective
red
research
researcher
sample
scientific
scientist
sign
storage
student
test
testing
tube
tubing
vaccine
virus