Flu Day 0 Day 0 is the stage when you get the virus. Infection occurs when a person with flu coughs, sneezes, or talks, propelling tiny droplets into the air that are breathed into your mouth or nose.

Flu-related doctor visits are at their highest level since the 2009-2010 season, according to the CDC. The virus has forced school closures in some states, with 650 students out sick in one Texas ...

Health experts say the best protection from the flu is getting vaccinated, and it's not too late in the season to do so. According to the Minnesota Department of Health, about 31.5% of Minnesotans ...

New research suggests that hospitalized patients with flu who start taking Tamiflu the day they are admitted are 40% less likely to die within a month than those treated just days later.