Influenza D virus, a pathogen best known for causing respiratory illness in cattle, appears to be silently infecting farmworkers across multiple continents, according to a growing body of serological ...

The United States may be heading into its second severe flu season in a row, driven by a mutated strain called subclade K that’s behind early surges in the United Kingdom, Canada and Japan. Now, with ...

A fast-moving influenza strain nicknamed the "Super-K" flu is catching the attention of scientists and health authorities. Subclade K, a branch of the H3N2 influenza family, has appeared much earlier ...

For decades, biology textbooks have drawn a firm line: viruses are not alive. They lack the machinery to reproduce on their own, they carry no metabolism, and they depend entirely on host cells to ...

As many families are preparing to gather for the holidays, influenza (flu) cases are spiking across the country. According to the latest data from the Centers for Disease Control and Prevention (CDC), ...

The United States is in the grip of an aggressive winter flu season, with the U.S. Centers for Disease Control and Prevention (CDC) having recently reported a surge in visits to doctors on a scale not ...

The number of prescriptions for Tamiflu (oseltamivir), an antiviral used against influenza A and B, has been surging in January and February, according to data assembled by GoodRx from pharmacies and ...