Article Photos: IOC confident in success of anti-doping program 1/5

In this Feb. 9, 2014 photo Austria's Johannes Duerr competes during the men's cross-country 30k skiathlon at the 2014 Winter Olympics in Krasnaya Polyana, Russia. Duerr has been kicked out of the Sochi Games after testing positive for EPO, the country's Olympic committee said Sunday, Feb 23, 2014. It is the fifth doping case of the Olympics and the first involving the blood-boosting drug EPO. (AP Photo/Matthias Schrader)