The U.S. Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of bird flu in the country last week showed mutations not seen in samples from an infected backyard flock on the patient's property.

The first severe case of bird flu in the US includes unique mutations, as per CDC. These mutations, found in the patient's respiratory sample, are rare but typically seen during severe infections. The mutations may enhance the virus's ability to infect human cells but haven't been found in birds,

Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

The United States Centers for Disease Control and Prevention said on Thursday that its analysis of samples from the first severe case of bird flu in the country showed mutations that were

This marks the first case of H5N1 bird flu in the US connected to backyard flock exposure, according to health officials.

Connecticut has not been spared from the ongoing bird flu outbreak that has primarily been impacting livestock.

Public health officials have just reported the first known “severe” case of bird flu in the United States. There are now 61 confirmed cases across eight states. This week, the Centers for Disease Control and Prevention (CDC) announced that a person had been hospitalized with a “severe case” of bird flu.

California’s battle with bird flu has been intensified as two new confirmed cases have been found in Stanislaus and Los Angeles counties. The rate at which the flu lathers has led California Governor Gavin Newsom to declare a state of emergency on December 18.