- Tests identify H5N9 avian flu at California duck farm University of Minnesota Twin Cities
- US reports first outbreak of H5N9 bird flu in poultry Reuters
- H5N9 bird flu outbreak: New virus strain detected on California duck farm KTVU FOX 2 San Francisco
- Bird flu outbreak: New sub-type of avian influenza found on duck farm in central California; egg prices to remain high this year ABC7 Chicago
- Bird flu cases are rising in the Bay Area. Here’s what you should know The Oaklandside
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