The Swimmers Circle predicted this already on July 31, and now FINA confirms that all 362 doping tests were negative, that were collected during the 14th FINA World Championships in Shanghai. This total represents 311 urine sample (including 43 EPO screenings) and 51 blood samples. No anti-doping violations were reported. Via Hollandswimming.nl.
Nobody caught doping at the Shanghai 2011 World Championships