The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

More than 24 million people have had seasonal flu this season, according to estimates from the Centers for Disease Control ...

In a breakthrough for influenza research, scientists have discovered immune cells that can recognize influenza (flu) viruses ...

Pediatricians and healthcare providers across the United States are raising alarms after multiple critical resources on the ...

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general. Trends ...

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general.

Marley Hall is a writer and fact-checker for Health.com specializing in medical and health information ... ones from the flu is to get an annual flu vaccine, said Budd. The CDC recommends ...

H5N1 Bird Flu Spreads In US: Highly infectious H5N1 virus, also known as the bird flu virus has tightened its grip on the United States. For the first time, Highly Pathogenic Avian Influenza (HPAI ...

Note that people don't catch the bird flu virus by eating cooked chicken, turkey, or duck, as high temperatures kill the virus. The CDC has created two candidate vaccines for the H5N1 bird flu and ...

According to the CDC, Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. Most human cases of bird flu in the U.S. have been mild so far ...