First reported on NBC National. The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm ...

A new strain of a highly pathogenic and rare strain of bird flu has been reported on a duck farm in central California.

Struggling to find eggs or noticing the price for a carton is ridiculously high? Here's what's happening and if it'll change ...

A rare subtype of the bird flu H5N9 was found at a commercial duck farm in California, according to the Paris-based World ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

FDA issues proposed rule on front-of-package nutrition labeling. The FDA has released its proposed rule on front-of-package nutrition labeling ...

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.