Bird Flu Update: US H5N1 News Now
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Welcome to Bird Flu Update: US H5N1 News Now. I'm your host, bringing you the latest on avian influenza developments in the United States. This is a 3-minute news-focused podcast.
Starting with human cases: The CDC reports a national total of 71 confirmed H5N1 infections since 2024, with 41 linked to dairy herds, 24 from poultry farms and culling, three from other animal exposures, and three with unknown sources. CDC's FluView for week 50, ending December 13, confirms no new human cases this week, matching week 49's report with zero additions.
In animals, USDA data shows ongoing detections, including wild birds in Colorado's El Paso County on December 3 and Minnesota's Ramsey County on December 3. Dairy cattle outbreaks continue under the National Milk Testing Strategy, with silo testing identifying cases in Nevada and Arizona before symptoms appeared. As of December 16, 45 states participate in this phased testing that began December 16.
Recent CDC and USDA updates: On July 7, CDC streamlined H5N1 reporting into routine flu data, now monthly for monitoring and testing, shifting animal stats to USDA's site. FDA reports from March show 96 of 110 raw milk cheese samples negative for H5N1, with pasteurization confirmed effective in retail surveys—no viable virus in 167 samples from summer 2024.
No changes to official guidance this week, but containment strengthens: USDA offers biosecurity funding and milk loss compensation. California declared a dairy emergency in December 2024.
Research highlights: FDA funds thermal inactivation studies with Cornell and others, plus genome-edited chickens for resistance via University of Wisconsin.
For listeners: Risk to the public remains low—no person-to-person spread. Commercial milk is safe due to pasteurization; avoid raw milk and sick birds or cattle. Farm workers: Use PPE.
Compared to prior weeks: Stable—no new human cases versus zero last two weeks. Animal detections persist but NMTS catches them early, unlike earlier 2025 peaks when outbreaks surged in poultry and dairy.
The US has successfully contained major 2025 outbreaks, per recent reports.
Thanks for tuning in—come back next week for more. This has been a Quiet Please production. For me, check out Quiet Please Dot A I.
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