- First U.S. H5N1 Death Sparks Urgency: Scientists Warn That Bird Flu Is Mutating Faster Than Expected SciTechDaily
- Bird Flu Is Raising Red Flags Among Health Officials Johns Hopkins Bloomberg School of Public Health
- Health Alert Network (HAN) – 00520 | Accelerated Subtyping of Influenza A in Hospitalized Patients CDC
- CDC urges hospitals to fast-track bird flu testing The Hill
- Age of the panzootic: scientists warn of more devastating diseases jumping between species The Guardian