H5N1 avian flu: a first human infected by a cow, should we be worried?. American authorities announced Monday evening that a person exposed to infected cattle had been infected.

If this virus which regularly decimates migratory or farmed birds has already contaminated numerous mammals around the world (cats, mink, sea bass, etc.) in recent years, this is the first time that dairy cow farms are touched. And this first transmission to humans raises many questions. Subscribe to read more Already subscribed? To log in, click here.