Aedes aegypti mosquito
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Rio Olympics Zika: Opinion divided over threat of virus

Government officials in Brazil have told the BBC there is an "almost zero" chance that visitors to this summer's Olympic Games in Rio de Janeiro will contract the Zika virus.

But advice from the World Health Organisation says women in affected areas should seriously consider delaying pregnancy, because the virus can cause microcephaly in babies.

Wyre Davies reports from Rio.

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