A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were euthanized.

As egg prices continue to soar across the country, there are new concerns about bird flu as a new strain was discovered at a duck farm.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human cases and the first human death.

Although the virus has been detected at more than 700 California dairies, not a single non-dairy cow has tested positive, experts say.

Bird flu pops up every year in the same way that flu season does for humans. Each time there's a different strain as mutations mix in and around wild and domestic animals. Animals, of course, get sick just like humans do. The issue that farmers say they're dealing with is that unlike the common flu humans contract -- there's no vaccine or medicine.

Commercial duck flock in California has tested positive for two strains of avian influenza. On November 23, 2024, two HPAI viruses were identified in samples from a farm rearing meat ducks in Merced County in California. Increased mortality was observed at the premises, leading the state veterinary authority to quarantine the farm.

A UC Davis veterinary professor explains how bird flu is transmitted, why it’s an “insane outbreak” and the worst-case scenario.

Avian influenza has led to a shortage of eggs and wholesale prices that are through the roof. Consumers can expect to feel the pain for a while.

The Department of Agriculture warned egg prices may increase more than 20% this year, after December saw a year-over-year increase of 36.8%.

The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and the more common H5N1 stra

A new bird flu strain was detected on a California duck farm. But what's the difference between H5N9 and H5N1, and is it safe to eat poultry? A doctor explains.