Rio triathlon overshadowed by doping and virus fears

Competitors taking part in Olympic qualifier oblivious to revelations about industrial-scale doping in international sport, and fears over water quality remain
In the biggest test yet of preparations for the 2016 Games, hundreds of Olympic and Paralympic hopefuls swam, cycled and ran under the limpid blue skies of Copacabana over the weekend, but the glorious scenes were partly overshadowed by fears about water quality and new revelations of industrial-scale doping in international sport.The tri