COVID-19 Vaccine Basics

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This page was updated on October 6, 2025.

Vaccine Basics
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Immunize.org, a non-profit organization, works to increase immunization rates and prevent disease by creating and distributing educational materials for health professionals (Immunize.org) and the public (VaccineInformation.org) that enhance delivery of safe and effective immunization services. Immunize.org also facilitates communication about the safety, efficacy, and use of vaccines within the broad immunization community of patients, parents, healthcare organizations, and government health agencies.