This is Bird Flu Update: US H5N1 News Now, bringing you the latest developments on bird flu in the United States as of Friday, November 7, 2025.
Starting with the most recent human and animal cases:
According to the Centers for Disease Control and Prevention, there have now been a total of 70 confirmed human H5N1 cases in the United States since the outbreak began in 2024. Of those, 41 cases are linked to exposure to infected dairy cattle, 24 to poultry farms or culling operations, and the remaining to either other animals or unknown exposures. California remains the hotspot, reporting 38 cases, and Louisiana recorded the nation’s first H5N1 death earlier this year. The CDC states that, so far, there is no evidence of person-to-person transmission, and the risk to the general public remains low.
In the animal health sector, the US Department of Agriculture reports that 989 dairy herds across 17 states have been impacted by H5N1 since March 2024. California is currently managing 13 dairy herds under quarantine for H5N1 infection, with six of those now re-quarantined following repeated virus detection after previously clearing quarantine. Nationwide, over 169 million poultry have been affected since 2022, and this year, bird flu has been detected in more than 13,000 wild birds across 51 jurisdictions. Sporadic infections have also been identified in mammals, but without any documented human-to-human spread.
In the past week, there have been no new confirmed human cases, but animal cases continue to be reported, especially in California dairies and in poultry flocks nationwide. The CDC has adjusted its H5N1 update protocols to monthly reporting, reflecting a shift to ongoing management rather than emergency response. The USDA’s policy remains focused on rapid detection and isolation of affected herds, while ongoing research tracks possible genetic changes in the virus.
Notably, researchers have detected a new genotype—D1.1—of H5N1 in Nevada dairy cattle, marking a shift from the previously circulating B3.13 genotype. The significance of this new variant is under active investigation, as the virus continues to evolve.
There has been no change in CDC or USDA official guidance this week, but precautions for people working with livestock remain in place. The use of personal protective equipment, including N95 masks, gloves, and eye protection, is strongly advised for anyone exposed to potentially infected animals or materials. Movement of dairy cattle remains closely monitored, and California has maintained its ban on poultry and dairy cattle exhibitions at shows and fairs.
For listeners wondering what this means for their daily lives: the CDC and USDA consistently report that the risk to the general US population is low. Standard food safety practices, including thorough cooking of poultry, eggs, and dairy products, continue to be protective. People who work directly with poultry or dairy cattle, especially in outbreak areas, should remain vigilant and follow all safety recommendations.
Compared to previous weeks, the pace of new animal cases remains steady, mainly in states that were already affected. The human case count is unchanged this week, and aggressive monitoring appears to be limiting wider spread.
We’ll continue to bring you timely updates as the situation develops. Thank you for tuning in to Bird Flu Update: US H5N1 News Now. Be sure to check back next week for more information. This has been a Quiet Please production. For more, visit Quiet Please Dot A I.
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