Human bird flu cases tick up; second Colorado poultry farm reports spread - Ars Technica
- Human bird flu cases tick up; second Colorado poultry farm reports spread Ars Technica
- Avian flu infects two more Colorado poultry cullers, one at second farm University of Minnesota Twin Cities
- Bird flu that infected 6 Colorado poultry workers is closely related to the virus in cows STAT
- Sixth human case of bird flu reported in Colorado, CDC says CNN
- Extreme heat in Colorado may have contributed to an extraordinary outbreak of bird flu in people The Colorado Sun