Experts say this is the worst flu season in the U.S. in more than a decade and cases are still trending up. Flu infections have reached the highest level since the winter of 2010 and 2011 when the ...

In February 2024, government veterinarians in the Czech Republic investigating a bird flu outbreak found themselves in the ...

A new study says the flu A viral strain can adapt shape to stay infectious. Infectious disease doctors break down what this ...

The U.S. has seen earlier and more intense surges of the flu and RSV this year than is typical, pediatrician Dr. Ryan Fulton notes.

There's another element in this genetic game. The virus is able to mix and match its genes with local influenza viruses if one animal is infected with multiple flu viruses. As this highly deadly bird ...

A nationwide surge in flu, COVID-19, RSV and norovirus infections is fueling concerns of a possible virus "quademic ... There ...

A spokesperson for the department said that scientists believe the H5N9 was the result of a "reassortment," where H5N1 was able to genetically mix with other influenza viruses inside of a duck.

Officials confirmed on Monday the first positive case of Highly Pathogenic Avian Influenza (HPAI ... the farm is executing a plan to keep the virus from spreading further.

Sneezing, fever, chills, vomiting, coughing — it’s not just one virus wreaking havoc this winter; it’s a combination of four major illnesses: influenza, respiratory syncytial virus (RSV ...

Why a teenager’s bird-flu infection is ringing alarm bells for scientists Although many of the infections have been mild, emerging data indicate that variants of the avian influenza virus H5N1 ...

Unlike the coronavirus, which caused havoc with its sudden arrival, influenza viruses typically start off in a specific animal species or in certain geographical regions. When a different version ...