Voices of concern about Zika in Rio de Janeiro

Residents and Canadian athletes on the virus and taking precautions. »»» Subscribe to CBC News to watch more videos: .
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The explosion of the mosquito-borne Zika virus in the Americas has put governments in the region on alert and prompted an all-out war on mosquitos in the .
The International OlympicCommittee will do everything in its power to keep the Rio 2016 Games safe from the Zika virus, says IOC chief Thomas Bach said.