Rare bird flu strain found in California raises potential of wider spread - The Washington Post
- Rare bird flu strain found in California raises potential of wider spread The Washington Post
- New strain of bird flu found in California: Current status in maps USA TODAY
- US reports first outbreak of H5N9 bird flu in poultry Reuters
- Tests identify H5N9 avian flu at California duck farm University of Minnesota Twin Cities
- First US case of H5N9 bird flu strain found in California CBS17.com