Notes from the Field: Contact Tracing for Monkeypox virus Clade I Cases Associated with Air Travel - United States, November 2024-January 2025

Published on April 23, 2026

This report describes contact tracing following mpox exposures during commercial air travel.

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Clusters of Invasive Haemophilus influenzae Type b Disease Among Adults Using Substances or Experiencing Homelessness or Housing Instability - Alaska, Oregon, and Washington, 2023─2025

April 16, 2026
This report describes two clusters of invasive of Haemophilus influenzae type b among adults with special risk factors in Alaska, Oregon, and Washington.

Notes from the Field: Increase in Eastern Equine Encephalitis Virus Activity - Vermont, 2023-2024

April 30, 2026
This report describes an increase in eastern equine encephalitis in northern Vermont during 2023-2024.