Bird flu changes could raise risk of widespread transmission to humans
Using lab mice and ferrets as models for human infection, the study found that virus has undergone several adaptive changes.
People wearing protective suits collect dead birds, as there is a major outbreak of bird flu, in Vadso municipality in Finnmark in Norway, July 20,2023(photo credit: REUTERS)ByJUDY SIEGEL-ITZKOVICHUpdated:
