aids
background
blood
blue
care
caucasian
cure
doctor
donation
dose
drug
equipment
female
flu
gentle
glass
glove
hand
health
hospital
illness
illustration
infirmary
inject
injection
instrument
medical
medication
medicine
needle
nurse
pharmaceutical
pharmacy
professional
research
science
shot
sickness
single
surgeon
surgical
syringe
test
transfusion
treatment
vaccination
white