Benchmark 8F
The Designed World: Health Technology
Grades 9-12, page 207

Inoculations use weakened germs (or parts of them) to stimulate the body's immune system to react. This reaction prepares the body to fight subsequent invasions by actual germs of that type. Some inoculations last for life.
 

NSES Content Standard F 
Science in Personal and Social Perspectives: Personal and community health
Grades 9-12, page 197
The severity of disease symptoms is dependent on many factors, such as human resistance and the virulence of the disease, producing organism. Many diseases can be prevented, controlled, or cured. Some diseases, such as cancer, result from specific body dysfunctions and cannot be transmitted.