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germ species

The spread of a puzzling respiratory virus in the Middle East and beyond is not a global health emergency despite a recent spike in cases, the World Health Organization said Wednesday. (Photo by David Silverman/Getty Images)

10,000 Germ Species Live In And On Healthy People

Scientists have mapped just which critters normally live in or on us and where, calculating that healthy people can share their bodies with more than 10,000 species of microbes.

06/13/2012

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