The more it spreads in birds internationally, the more opportunities it has to interact with animal and human hosts, increasing the chances it could evolve into a human pandemic virus. No one knows if this...

Very little or none of this has gone to Latin America and the Caribbean.

This is the most inequitable region in the world.

We are all concerned about the potential impact of H5N1 should it arrive in our region. We are all keenly aware of the need to coordinate our efforts to ensure they are as effective as...

As long as H5N1 remains a bird virus, the threat to human health is not grave. But influenza viruses change constantly, and the danger is that, in the future, it could evolve into a virus...