aids
analysis
awareness
bacterium
biology
blood
cell
clinic
diagnosis
disease
doctor
epidemic
exam
flu
glove
headache
health
healthcare
hiv
hospital
human
illness
immune
infection
lab
laboratory
letter
medical
medicine
patient
poster
prevention
protection
research
science
scientist
sickness
stethoscope
support
syringe
test
text
treatment
vaccine
viral
virus
word