antibody
antigen
antigenic
baby
checkup
child
diagnosis
disease
doctor
drugs
epidemic
fever
health care
hospital
illness
immune
immunity
immunization
immunology
infection
injection
inoculation
kid
laboratory
medical
medicine
nerve
patient
pharmaceutical
pharmacy
physician
plague
polio
poliomyelitis
research
science
sick
sickness
syringe
therapy
treatment
vaccinate
vaccination
vaccine
virus