The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

The highly virulent H5N1 avian influenza virus, responsible for the deaths of millions of birds worldwide since 2021, may be spreading through a surprising route: food theft among seabirds ...

Just how deadly is the H5N1 avian flu? The virus, which is currently sweeping through U.S. dairy herds, rarely jumps to human ...

Here’s the latest news about a global outbreak of H5N1 bird flu that started in 2020, and recently spread among cattle in U.S. states and marine mammals across the world, which health officials ...

The deadly bird flu virus, H5N1, has been detected in the wastewater of 10 Texas cities, signaling a silent spread that could ...

Health officials say they don’t know how a Missouri person caught bird flu, but they believe it may be a rare instance of a ...

A patient in Missouri was hospitalized with bird flu despite having no known contact with animals. The Centers for Disease Control and Prevention (CDC) confirmed the positive case of avian ...

Last week, a person in Missouri was infected with bird flu despite not having any exposure to animals. The state’s health department said the individual recovered from their illness but that a ...

Until recently, every human case of avian flu this year involved people who came in contact with infected poultry or cows.

MISSOURI, USA — Health officials on Thursday said they don’t know how a Missouri person caught bird flu but believe it may be a rare instance of a “one-off" standalone illness. Investigators ...

Health officials have identified a person in Missouri sick with bird flu despite having no known contact with animals — marking the first case of the virus in the U.S. this year not linked to ...