How long are you contagious with flu after taking tamiflu

The flu (a.k.a. influenza) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs, according to the Centers for Disease Control and Prevention.

There are two main types of flu viruses—types A and B—and they usually circulate during flu season every year. But how long is the flu contagious? And exactly how long should you stay home when you have the flu?

Is the flu contagious without fever

Meet the Experts: Amesh A. Adalja, M.D., a senior scholar at the Johns Hopkins Center for Health Security; Thomas Russo, M.D., professor and chief of infectious disease at the University at Buffalo in New York; and David Cennimo, M.D., assistant professor of medicine, infectious disease at Rutgers New Jersey Medical School.

Last year, the flu spiked in November as opposed to the usual later January-February hot spot, David Dowdy, M.D., an infectious disease expert and professor of epidemiology told John Hopikins’ Bloomberg School of Public Health in July.

“We probably are a bit more likely to ha

when is flu type a contagious

when is flu contagious to others