Ammunition for the fight | January 30, 2009 | Danville Express | DanvilleSanRamon.com |


http://danvillesanramon.com/print/story/print/2009/01/30/ammunition-for-the-fight


Danville Express

- January 30, 2009

Ammunition for the fight

Feed the immune system to fend off colds and flu

The immune system is smart. The immune system, when exposed to new flu and cold viruses, learns to recognize and react to seasonal strains of the invaders. The system also remembers bugs it has seen before. But we're a mobile society-each year, world travel brings new strains of germs and virus home, forcing the immune system to deal with new invaders it has never seen. This is why the Centers for Disease Control makes yearly changes to the flu vaccine, hoping to predict which bugs will arrive in the U.S. on a seasonal basis.

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