Outbreak and Vaccine Resource Center

Originally posted June 3, 2025. Last updated: August 14, 2026

Purpose. ACAAI-curated, frequently updated sources for information about respiratory illness outbreaks, vaccine recommendations, and vaccine safety communications.

Judge’s ruling halts changes to vaccine schedule for children (March 17, 2026)

ACAAI responds to proposed Florida ban on vaccine mandates (Sept. 4, 2025)

ACAAI signed on to an open letter to the American public on respiratory virus vaccines | American Medical Association (June 25, 2025)

Outbreak Resources

Recent Outbreaks – General

Georgetown University

Centers for Disease Control and Prevention (CDC) (updated weekly)

CDC Weekly Morbidity and Mortality Report (search within reports for surveillance)

World Health Organization

Measles Outbreaks

AAP Red Book – Measles Outbreaks 2025 (last updated August 11, 2026)

ACAAI Responds to Proposed Florida Ban on Vaccine Mandates – ACAAI Patient

Measles (Rubeola) – CDC: latest numbers and locations of cases, prevention, and clinical presentation)

Measles Cases and Outbreaks – CDC: state case numbers, updated weekly

About Measles – CDC

Questions About Measles – CDC: immunity, vaccination recommendations, and booster questions

CNN – Tracking Measles in USA – updated weekly)

State-level Resources on Various Disease Outbreaks

Check your state’s website for the latest outbreak information and guidance for reporting and surveillance

Ready Illinois – Disease Outbreak

New York City – Current Infectious Disease Outbreaks for New York City Providers

NOLA Ready – Infectious Disease Outbreak

Outbreaks Near Me – created by epidemiologists and software developers at Boston Children’s Hospital, Harvard, and volunteers from the technology industry)

Texas Department of State Health Services

Texas Health and Human Services