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Basics

Vaccines are safe.

  • Learn more about the benefits and risks of immunization including how vaccines are monitored for safety, answers to common questions, what is in vaccines, and who should be vaccinated.

Vaccines are effective.

  • Vaccines help prevent many serious diseases. Learn more about how vaccines work and the extensive testing process they undergo to ensure they are effective and safe.

Vaccines work with your immune system to prevent disease.

  • Thanks to vaccines, many diseases have been nearly eliminated. Read this section to learn more vaccines and your immune system.

Vaccines protect individuals and the community.

  • Vaccines save lives by preventing outbreaks of disease and protecting those who cannot be vaccinated. Read this section to learn about the community benefits of vaccines.