Scientists who looked at sewage in three cities around the world found 40,000 viruses, most of them previously unknown. But, happily, most of the viruses lurking in sewage don't pose a threat to human health.
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Read the complete post at http://www.npr.org/blogs/health/2011/10/04/141047481/surprise-in-your-sewage-lots-of-exotic-viruses?ft=1&f=103537970
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Oct 04 2011, 12:33 PM
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NPR Blogs: Shots - Health Blog