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Travis Tygart on Russia competing in Olympics
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Every host nation has dealt with its own series of problems throughout the history of the Olympic Games. It seems, however, that Rio de Janeiro is having more than most.
So with Opening Ceremonies just a week-plus away, here is a list of all the issues facing Rio in advance of the Olympics, which begin on Aug. 5.
Zika
The first and most consistent issue is the Zika virus, which is suspected of causing birth defects and has been declared a global public health emergency by the World Health Organization.