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

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

Aug. 20, 2024 — Scientists have discovered why the flu vaccine can perform poorly. They found that a specific type of immune cell, called T follicular helper cells, indirectly controls the anti ...

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 ...

Officials prepare for potential H5N1 bird flu pandemic this fall as cases rise and CDC works to prevent spread.

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 ...

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how ...

San Diego’s wastewater treatment plant in Point Loma is among five statewide that has detected the H5 influenza virus, often called bird flu, since May. San Diego’s positive result came from a ...

A person in Missouri has been diagnosed with bird flu — despite never coming into contact with any animals, the Centers for Disease Control and Prevention announced on Friday. The adult ...

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 ...

So far, there have been 14 human cases of bird flu this year. All the patients — except the one from Missouri — had been linked to sick dairy cows or poultry.