H5N1 bird flu has been discovered in a pig in Oregon, a development that has sparked new concerns among infectious disease experts.

Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in Oregon.

Although H5N1 has been found in many mammals in the U.S., an infection in a pig could have bigger implications for humans.

A case of H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, the U.S. Department of Agriculture said. Pigs represent a ...

H5N1 bird flu has been identified in a pig in the United States for the first time, the US Department of Agriculture said Wednesday. The USDA and Oregon veterinary officials are investigating bird ...

“At this time, there is no evidence of human-to-human transmission of avian influenza and there was no risk of H5N1 for people in Oregon with this travel,” Modie said in an email Friday.

Public health experts are concerned that the first detection of H5N1 bird flu in a pig could mean the next step in human-to-human transmission of the virus.

H5N1 bird flu was confirmed in a pig on a backyard farm in Oregon, the first detection of the virus in swine in the country, the U.S. Department of Agriculture said on Wednesday.

This marks the state’s first human case of bird flu. The Oregon Health Authority said the case is linked to an outbreak in chickens at a commercial egg farm in Clackamas County last month.

A cat in Oregon’s Washington County has tested positive for bird flu, state officials announced on Friday.

Bird flu has been detected in a pig on a farm in Oregon, the U.S. Department of Agriculture reported Wednesday. It is the first case of the H5N1 virus to be detected in swine in the United States.