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Immunization Branch

Disease Information and Reports

The Immunization Branch collects and publishes information on vaccine-preventable diseases in California. This page includes the most recent reports as well as information on when and how to report cases of vaccine-preventable diseases.

If you are having difficulty accessing documents on this page please call 510-620-3737 or email ImmunizationBranch@cdph.ca.gov to request information in an alternate format.

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