Identification of and Response to Influenza A(H5) in Off-the-Shelf Raw Milk-Santa Clara County, California, November-December 2024.

Løchen, Alessandra; Bonin, Brandon; Khoshabian, Rensen; Diep, Melanie; Iqbal, Syeda; Chua, Hailey; Medrano, Douglas; Vrdoljak, Gordon et al. · Clin Infect Dis · 2026

case_report · Level V

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Abstract

In November-December 2024, the County of Santa Clara Public Health Department detected influenza A and A(H5) virus in unpasteurized milk sold in the county. A(H5N1) virus surveillance of off-the-shelf unpasteurized milk led to early detection and recall of potentially infectious products that prompted state agencies' verification and subsequent regulatory action.

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