SAO PAULO (Reuters) - Brazil, the world's largest chicken exporter, is currently investigating six potential outbreaks of ...

"Infections among mammalian species in frequent contact with humans should be closely monitored," the researchers wrote ...

On the other hand, "migration and wild bird mixing likely does drive emergence of new subtypes," he cautioned. Overall, there have been 70 cases of H5N1 ... poultry; two with backyard poultry ...