Researchers find an antibiotic - resistant super - bacteria in the prepared waters for the Olympics . Rio officials insist the risk to sailors will be ` ` minimal '' despite the research . Sailors have already complained less than two years out from the city for its filthy waters . 70 % of the city 's sewage is spilled into the bay where the Olympic sailing events take place .
Researchers find an antibiotic-resistant super-bacteria in the sailing waters for the Olympics . Rio officials insist the risk to sailors will be `` minimal '' despite the research . Sailors have already complained less than two years out from the Games for its filthy waters . 70 % of the city 's sewage is spilled into the bay where the Games sailing will take place .