Understanding How Vaccines Work
Diseases that vaccines prevent can be dangerous, or even deadly. Vaccines greatly reduce the risk of infection by working with the body’s natural defenses to safely develop immunity to disease. This fact sheet explains how the body fights infection and how vaccines work to protect people by producing immunity.
Author: US Centers for Disease Control and Prevention
» Download file (English)
152 KB PDF (Located at www.cdc.gov)
Resource types: Fact sheet
Diseases/vaccines: Not disease/vaccine specific
Topics: General information