- Bird flu could merge with seasonal flu to make mutated virus that could spread among humans, CDC warns Fortune
- CDC Confirms First Severe Case of H5N1 Bird Flu in the United States CDC
- ‘Concerning’ Bird Flu Mutation Found In Human The Weather Channel
- As pace and severity of human H5N1 cases accelerate, NIH leaders call for more action on bird flu CNN
- How America lost control of the bird flu and raised the risk of another pandemic PBS NewsHour