The penguins were intrigued, perhaps for good reason. Dressed head to toe in sterile personal protective gear, three ...

A H5N1 to mammalian hosts has raised significant concerns regarding its pandemic potential. Domestic cats are frequently affected by these spillovers, often succumbing to severe systemic and ...

Bird flu had trends for decades. It swelled. It dimmed. It came back. Scientists now think that instead of retreating, it may ...