In the Flu Battle, Hydration and Elevation May Be Your Best Weapons

Bring on the soup: Fluids will help diminish your headache and bolster your immune response.

According to the misery map of influenza activity in the United States, there’s a good chance that you or someone you know has experienced, or will experience, the agony of this year’s strain, H3N2.The map, from the Centers for Disease Control and Prevention, shows that it is a particularly wicked and widespread virus. And the current flu vaccine seems to be mismatched to the virus — in Australia, where flu season comes earlier, it was estimated to be only 10 percent effective.Hospitals nati...