CDC: Flu Shot Should Be Better This Season

En español | With flu season about to start, health officials reassured Americans that the new, updated flu vaccine now available should do a better job than last year’s. The 2014-15 flu season was particularly nasty, thanks to a major flu strain that changed after the vaccine had already been manufactured. As a result, last year’s vaccine was only 13 percent effective against the virulent H3N2 strain, causing the highest hospitalization rate among older adults that the Centers for Disease …