alcohol
analysis
arm
assistant
biochemistry
blood
care
clinic
cotton
disease
doctor
donate
equipment
examination
examine
experiment
female
giving
glove
hand
health
healthcare
hospital
illness
immunization
infection
injection
injury
lab
laboratory
medical
medicine
nurse
pad
patient
people
protection
putting
research
safety
sample
science
swab
taking
test
treatment
vaccination
vein
white
woman