The death toll and economic damage associated with flu highlight its role as one of the most harmful viruses in history.

Influenza epidemics, caused by influenza A or B viruses, result in acute respiratory infection. They kill half a million people worldwide every year. These viruses can also wreak havoc on animals, as ...

Scientists have captured an unprecedented, real-time view of influenza viruses as they move across and slip inside human cells. The footage reveals that cells are far from passive targets and instead ...

Bird flu has been rampaging through wildlife and farm animals worldwide. Will it make the long-feared jump to humans?

The influenza virus manipulates the body's gene regulation system to accelerate its own spread. A new study also shows that an already approved drug could help strengthen immune defenses -- though its ...

VIVIAN, LA - DECEMBER 12: With a temperature of 103.8, Asa Moore, 6, of Vivian, Louisiana is examined by John Messier, a physician's assistant, at the North Caddo Surgical and Medical Center for ...

Forbes contributors publish independent expert analyses and insights. Dr. Omer Awan is a practicing physician who covers public health. A new mutated strain of the common flu, Influenza H3N2, subclade ...

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 ...

A wreath of ten crAssviruses – hugely abundant viruses that infect gut bacteria and are part of your normal, healthy ...