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9 of the worst viruses on Earth

By: Mary Jo DiLonardo on June 23, 2016, 9:59 a.m.
scientist in lab

Photo: joker1991/Shutterstock

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Going viral

You've heard of Ebola and now everyone knows Zika, but there are many dangerous viruses that have yet to make horrific headlines. A panel of scientists and public health experts gathered by the World Health Organization (WHO) recently met to discuss the top emerging pathogens most likely to cause severe outbreaks in the near future. These are viruses for which there is no vaccine and few, if any, treatments.

Here's a look at these diseases and what makes them so frightening.