Masks keep you from Spreading Illness

By Elizabeth Landau
Novermber 4, 2009
CNN.com

In Mexico City, the government ran out of surgical masks after handing them out to one of every five residents.

Manufacturers and pharmacies in Europe are also reporting a surge in demand for face masks. And a Texas-based surgical mask producer says it’s ramping up to meet demand and expects a shortage of masks.

But their real value seems to be in keeping people who are already ill from spreading the virus, rather than protecting healthy people, experts said.

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