addiction
aid
aids
antidote
background
blood
blood transfusion
care
chemistry
clinic
concept
danger
death
disease
doctor
dose
drug
equipment
gloves
hand
health
hospital
hygiene
injection
isolated
laboratory
liquid
medical
medication
medicine
needle
nurse
person
prick
procedure
professional
protection
risk
safety
science
serum
sterile
substances
surgeon
surgery
syringe
uniform
vaccination
vaccinations
white