Build immunity: The body is artificially exposed to a dead or weakened organism of a type able to cause disease. The body fights the organism and learns to protect itself, so disease will not develop if the virulent, wild-type organism is met.
Answered 1/3/2014
5.5k views
6 doctors weighed in across 2 answers
8 doctors weighed in across 3 answers
4 doctors weighed in across 3 answers
4 doctors weighed in across 2 answers
7 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question