New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

While H5N1 does not have high mortality rates in dairy cows, the infection causes decreases milk production and milk quality, ...

The Centers for Disease Control and Prevention ended its emergency response to bird flu as the outbreak that sickened dozens ...

The CDC is reporting that H5N1 bird flu cases in animals have declined, and there haven't been any new human infections since ...

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts ...

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

The Centers for Disease Control and Prevention July 7 announced ( it is streamlining H5N1 bird flu updates with its routine ...

The Centers for Disease Control and Prevention (CDC) has ended its emergency response to the H5N1 avian flu. A spokesperson ...

The U.S. Centers for Disease Control and Prevention says it has ended its emergency response to H5N1 bird flu, citing a drop ...

According to the CDC, there has been a decline in animal infections and no reports of human cases since February.

H5N1 bird flu is widespread among wild birds in the United States, and has caused increasing outbreaks in poultry and dairy cows. Since 2024, the Centers for Disease Control has reported 70 human ...

The bird flu that’s been making news in the United States is a virus called H5N1. Some flu viruses carried by birds cause only mild infections and are classified as low-pathogenic viruses.