Bird flu: U.S. CDC to post wastewater data to better track spread in cattle – GLOBAL

May 9, 2024

The U.S. Centers for Disease Control and Prevention (CDC) is planning to post data on influenza A found in wastewater in a public dashboard possibly as soon as Friday that could offer new clues into the outbreak of H5N1 bird flu in cattle herds.

CDC wastewater team lead Amy Kirby told Reuters on Thursday that the agency has identified spikes of influenza A, of which H5N1 is a subtype, in a handful of sites and is investigating the source. She said there is no indication of human infection with H5N1.

Kirby said the CDC has been collecting influenza data in wastewater in about 600 sites since at least last fall to better track respiratory infections. That data can now be helpful in tracking the outbreak of H5N1 bird flu that has infected 42 dairy herds in nine U.S. states, and one dairy farm worker.

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