The Tower Hotel, where several German and Canadian athletes also became ill, said that an investigation by the IAAF and health officers showed it was not the source of the outbreak and that public areas of the hotel, which is near Tower Bridge, had been sanitized.
The team from Ireland confirmed that 400-meter hurdler Thomas Barr had been stricken, as had German triple jumper Neele Eckhardt. “I’m gutted to have to withdraw from the semifinal,” Barr told the Guardian. “My whole year has been focused on the world championships. To not be able to go out and compete for Ireland is beyond disappointing.”
The event, billed as the biggest athletic competition in London since the 2012 Olympics, already has seen one big upset. Usain Bolt lost to Justin Gatlin in his signature event, the 100 meters, in his final competition as a professional track star.