About Immunization Vaccines protect children and adults against serious and potentially fatal diseases.
Vaccines are one of the most cost-effective tools in preventing disease.
Each child needs up to 16 doses of vaccine by age two. Annually, at least 38,000 adults die from complications from hepatitis B, flu, and pneumococcal infection, despite the availability of preventive vaccines. CDC National Immunization Program CDC provides technical assistance, training and education for health providers. It conducts vaccine safety and best practices research. CDC supports a nationwide surveillance, outbreak investigation, and vaccine safety and efficacy monitoring system.