First outbreak of rare bird flu strain reported at California poultry farm
The first U.S. outbreak of the rare H5N9 bird flu has been confirmed in California, leading to the culling of nearly 119,000 birds and rising egg prices amid ongoing surveillance.
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The first outbreak of the rare H5N9 bird flu strain has been reported at a duck farm in Merced County, California, alongside the more common H5N1 strain. The World Organisation for Animal Health (WOAH) confirmed that nearly 119,000 birds have been culled since early December due to these outbreaks. The U.S. Department of Agriculture (USDA) stated that this is the first confirmed case of highly pathogenic avian influenza (HPAI) H5N9 in U.S. poultry. Comprehensive epidemiological investigations and enhanced surveillance are being conducted in response to these events. The H5N9 strain raises concerns about potential human infections, although the risk of a pandemic is currently considered low. The ongoing spread of bird flu has led to significant poultry losses, with over 13 million birds affected in the last month alone, contributing to rising egg prices, which have more than doubled in the past year. Additionally, bird flu outbreaks are increasingly affecting dairy herds, with over 900 herds infected and 67 human cases reported. The Centers for Disease Control and Prevention (CDC) is monitoring the situation closely, particularly regarding potential transmission to domestic cats, which may act as a bridge for the virus to other species.
- The first U.S. outbreak of H5N9 bird flu has been confirmed in California.
- Nearly 119,000 birds have been culled due to H5N9 and H5N1 strains.
- The USDA is conducting investigations and surveillance in response to the outbreaks.
- Bird flu has significantly impacted poultry populations, leading to rising egg prices.
- The CDC is monitoring the situation for potential human health risks.
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