aids
analysis
anesthesia
antibiotic
background
blue
disease
disposable
doctor
drug
empty
equipment
examination
flu
gesturing
glove
hand
health care
human
illness
infection
inject
injecting
injection
instrument
insulin
laboratory
latex
liquid
long
medical
medicine
narcotic
needle
person
pharmaceutical
pharmacy
plastic
prick
research
science
sickness
simple
sterile
syringe
therapy
treatment
vaccination
virus
vitamins