The findings show how the H5N1 bird flu virus is evolving in livestock and what that may mean for human health.

Nirsevimab (Beyfortus), an antibody targeting respiratory syncytial virus (RSV), is indicated for newborns and infants to prevent bronchiolitis. Available since September 2023, its widespread use may ...

Please provide your email address to receive an email when new articles are posted on . Since May 2023, a combination of neuraminidase mutations has been detected in influenza A(H1N1)pdm09 viruses.

HIV resistant to lenacapavir pays a big price Yet some of the most formidable resistance mutations came with a measurable fitness cost. Under standard laboratory conditions, those viral variants ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The virus that causes COVID-19 might be becoming resistant to antiviral treatments, new research has warned. But should ...

(Reuters) - The U.S. Centers for Disease Control and Prevention said on Thursday its analysis of samples from the first severe case of bird flu in the country last week showed mutations not seen in ...

The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus, the U.S. Centers for Disease Control and Prevention (CDC) announced last ...

The 64-year-old stopped antiretroviral medication 24 months after a transplant for bone marrow cancer, after his brother was ...

On June 5, 1981, the Centers for Disease Control and Prevention reported five cases of an unknown infection leading to a rare kind of pneumonia. All five men were previously young and healthy, and ...

In a new study published in Science Translational Medicine, investigators have shown that HIV can acquire mutations that cause resistance to lenacapavir—but at a huge cost to the virus itself.