Avian Influenza A(H5) Subtype in Wastewater - Oregon, September 15, 2021-July 11, 2024

Published on February 27, 2025

This report describes an analysis of Oregon wastewater surveillance data that detected avian influenza A(H5) in communities with no concurrent outbreaks from dairy facilities or dairy farms.

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Notes from the Field: Genomic and Wastewater Surveillance Data to Guide a Hepatitis A Outbreak Response - Los Angeles County, March 2024-June 2024

February 20, 2025
This report describes significant increase in hepatitis A virus (HAV) wastewater concentrations during an HAV outbreak in Los Angeles County, California.

Notes From the Field: Enhanced Identification of Tobacco Use Among Adult Medicaid Members - King County, Washington, 2016-2023

March 6, 2025
This report describes tobacco use among Medicaid members during 2016-2023.