The United States has reported its first outbreak of H5N9 bird flu on a duck farm in California, according to the World Organization for Animal Health (WOAH) on Monday. H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI),

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including cattle that may have been reinfected.

H5N1 first human death was reported in USA. Since then, health authorities have been monitoring and cases and shave sounded alarm regarding its mutation rate.

The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to know and how to stay safe.

Seasonal influenza vaccines triggered protective immune responses against the H5N1 avian influenza virus primarily in younger people, indicating its potential use as a first line of defense during an eventful pandemic.

H5N1 bird flu hits Georgia’s poultry industry marking the first commercial outbreak in the state Learn CDC prevention tips to protect public health and livelihoods

The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect may have bird flu.

The findings come at a time when outbreaks of bird flu -- a different subtype of the ... of the highly pathogenic avian influenza (HPAI) H5N1 influenza virus currently circulating

The Centers for Disease Control and Prevention today released an advisory recommending clinicians expedite subtyping of type A influenza samples from hospitalized patients, particularly individuals in an intensive care unit.

Learn more about how a vaccine could help prevent the spread of the avian flu virus but may also cause the virus to evolve faster.

Since early 2024, the U.S. has logged 66 human cases of H5N1. Scientists are keeping a watchful eye on the virus’s spread as we enter a new year.

A domestic cat in Washington County recently tested positive for bird flu and had to be euthanized, the Oregon Department of Agriculture said.