More than 80 domestic cats, among many other types of mammals, have been confirmed to have had bird flu since 2022 — generally barn cats that lived on dairy farms, as well as feral cats and pets that spend time outdoors and likely caught it by hunting diseased rodents or wild birds.

The data, which appeared fleetingly online on Wednesday, confirmed transmission in two households. Scientists called on the agency to release the full report.

In leaked memos obtained by various media outlets, the Trump administration claimed that the pause at the CDC and other federal agencies would last until February 1. And this week, the MMWR finally did return, though it’s clear that not everything is back to normal.

REDWOOD CITY — A stray cat in San Mateo County recently tested positive for bird flu, officials said Thursday. The case is not related to an H5N1 incident involving a backyard poultry flock in San Mateo, according to the county executive’s office.

The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird flu traced to cattle have been mild, mostly eye infections. But the U.S. Department of Agriculture confirmed that a strain previously found only in wild birds has turned up in dairy herds in Nevada ‒ raising concerns that future human infections could be more serious.

Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and shortages.