In a report published earlier this year, the CDC says there have been rare instances over the last decade where bird flu viruses have spread from mammals to people. Examples inclu

Amidst surging respiratory illnesses and previously controlled diseases like tuberculosis making alarming comebacks, a new CDC report provides further evidence bird flu is spreading undetected to humans.

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