How many human bird flu cases have been confirmed in Washington state this year?

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Nine Human Bird Flu Cases Confirmed in Washington State This Year

This year, nine human cases of bird flu have been confirmed in Washington state, with three additional individuals from the state being infected after exposure to poultry that tested positive for the virus. These infections are part of a broader outbreak that has also affected poultry flocks and spread to over 400 dairy herds nationwide, leading to the culling of more than 100 million poultry birds since 2022. The confirmed cases in Washington primarily involved farm workers with known contact with infected animals.
Farm Workers Exposed to Infected Poultry

The three new cases identified in Oregon involved individuals from Washington state who had cleaned facilities at an infected chicken farm following the culling of birds. These workers had direct contact with animals that tested positive for the H5N1 avian influenza virus. Health officials in Washington state tested workers exhibiting symptoms such as red eyes and respiratory issues, as well as those with potential exposure.
Antiviral Treatment and Isolation Provided

Individuals who presented with symptoms were instructed to isolate themselves and received antiviral treatment as a precautionary measure. This approach aims to manage the spread of the virus among those who have been exposed and are showing signs of infection. Public health staff are monitoring these individuals, who have since returned to Washington state.
Broader Outbreak Impacts Poultry and Dairy Herds

The H5N1 bird flu virus has had a significant impact beyond human infections, leading to the decimation of over 100 million poultry birds nationwide since 2022. Furthermore, the virus has spread to more than 400 dairy herds across the country. In a recent development, H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, marking the first detection of the virus in swine within the United States.

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How many human bird flu cases have been confirmed in Washington state this year?

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