Researchers have discovered the largest virus ever, and they've given it a terrifying name: Pandoravirus.

Researchers have discovered the largest virus ever, and they've given it a terrifying name: Pandoravirus.

In mythology, opening Pandora's Box released evil into the world. But there's no need to panic. This new family of virus lives underwater and doesn't pose a major threat to human health.

"This is not going to cause any kind of widespread and acute illness or epidemic or anything," says Eugene Koonin, an evolutionary biologist at the National Institutes of Health who specializes in viruses.

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http://www.npr.org/blogs/health/2013/07/18/203298244/worlds-biggest-viru...