The study provides growing evidence of the threat it poses even when cats have no direct exposure to sick dairy cows or poultry.

A CDC report on bird flu shows potential transmission of bird flu between exposed dairy workers and indoor pet cats. The report also provides a window into the lack of reporting and cooperation at dairy farms and by dairy workers.

But the study, whose publication was delayed by a pause in public communications by the agency, leaves key questions unanswered.

The deaths of two seals with bird flu marks the first time the disease has been found in mammals at a National Trust site, the charity has confirmed. It said influenza of avian origin was detected in two seals at Blakeney Point, Norfolk, after four of the animals were found dead.

The Buttonwood Park Zoo said in a social media post that the "beloved" seal named Blue likely got the avian flu by coming into contact with an infected wild bird. "Avian flu conti