‘Very low risk’ of Rio Olympics speeding up spread of Zika: WHO

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The World Health Organization says there is a "very low risk" that this summer's Rio Olympics will speed up the spread of the Zika virus around the world. At the same time, the agency is reaffirming its advice that pregnant women should not go to the games in August. It's also calling for intensified efforts to control mosquitoes that spread the virus. (Run time: 0:19)