H5 Bird Flu Update: The Situation Remains Stable

H5 Bird Flu Update: The Situation Remains Stable

Welcome back to Quiet Please. Here's your bird flu news briefing.

As of late November 2025, the overall risk to the general public from H5 bird flu remains low, though health authorities continue monitoring the situation closely. The United States has confirmed 71 human cases since 2024, with the majority linked to dairy cattle operations. According to CDC data, 41 cases have been associated with dairy herds, while 24 cases came from poultry farms and culling operations. Three cases involved other animal exposures, and three remain unidentified in their source.

California leads with 38 confirmed cases, primarily from dairy exposure. Washington State follows with 12 cases, mostly from poultry operations. Colorado has recorded 10 cases, Michigan 2, while several states including Iowa, Louisiana, Missouri, Nevada, Ohio, Oregon, Texas, Wisconsin, and Wyoming each have 1 case.

Globally, the Americas region has reported cases across multiple countries. As of mid-November, Mexico reported a case of H5N2, representing the second human case of that subtype in the country. The United States recorded an additional case pending characterization on November 14th. Health officials emphasize that there has been no sustained human-to-human transmission of the virus.

The death reported in Washington state involved an individual with a weakened immune system who had contact with infected poultry. This underscores the particular vulnerability of immunocompromised populations during flu season.

Wild bird populations continue showing significant H5N1 detections, with over 3,900 cases identified in the United States as of mid-November. The virus spreads through migratory bird routes, particularly waterfowl, affecting both wild and domestic bird populations across the Americas.

Public health officials stress that while H5 bird flu remains extremely rare in humans, vigilance is necessary. People with weakened immune systems are advised to wear masks and avoid contact with sick individuals. The broader population is encouraged to receive flu vaccinations and practice good hygiene, especially as flu season progresses.

Agricultural workers in dairy and poultry operations continue facing the highest exposure risk and remain under targeted surveillance programs.

Thank you for tuning in to this update on bird flu developments. Be sure to come back next week for more. This has been a Quiet Please production. For more, check out Quiet Please Dot A I.

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