RIO DE JANEIRO, June 8, 2016 -- Rio 2016 Chief Medical Officer Joao Grangeiro (1st R) speaks during a media briefing about Zika virus at the headquarters of Rio Organising Committee, in Rio de Janeiro, Brazil, on June 7, 2016. The 2016 Rio Olympic Games will be held from August 5 to 21. (Xinhua/Li Ming)
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