In this April 28, 2015 photo, Fernando Spilki, the head of the environmental studies program at Feevale University, holds up water samples taken from the Copacabana Beach in Rio de Janeiro, Brazil. Spilki's testing looked for three different types of human adenovirus that are typical "markers" of human sewage in Brazil. In addition, he tested for enteroviruses, the most common cause of upper respiratory tract infections in the young. (AP Photo/Felipe Dana)

Investigation: Olympic athletes’ health will be at risk when swimming and boating in Rio’s raw sewage

Dangerously high levels of viruses and bacteria found in venues where water sports athletes will compete in 2016

Topic |   Rio 2016 Olympic Games

TOP PICKS

In this April 28, 2015 photo, Fernando Spilki, the head of the environmental studies program at Feevale University, holds up water samples taken from the Copacabana Beach in Rio de Janeiro, Brazil. Spilki's testing looked for three different types of human adenovirus that are typical "markers" of human sewage in Brazil. In addition, he tested for enteroviruses, the most common cause of upper respiratory tract infections in the young. (AP Photo/Felipe Dana)
READ FULL ARTICLE