Tag Archives: common ancestor

Bird flu ‘likely to have spread in cows since last year’ as concerns grow over US virus detection systems

The new analysis suggests there is a “strong possibility” that bird flu has been spreading on U.S. cattle farms since last year, raising questions about America’s pathogen surveillance capabilities. Last month, shortly before the human case was identified in Texas, the H5N1 strain was first detected in cows. The virus, which has killed tens of… Read More »