Overview

• USA Swimming announced on July 27 that an acute gastroenteritis outbreak traced to its Phuket training camp has infected multiple swimmers in Singapore.
• Defending Olympic 100m butterfly champion Torri Huske was pulled from her preliminary heats after reporting symptoms of the illness.
• Sixteen-year-old Luca Mijatovic and 18-year-old Claire Weinstein were removed from the 400m freestyle, with Mijatovic finishing nearly 15 seconds behind his entry time under visible duress.
• Katie Ledecky remained healthy and topped the women’s 400m freestyle preliminaries with the fastest qualifying time in Singapore.
• The team is competing among more than 2,500 athletes from 210 countries as it seeks to bounce back from its lowest Olympic gold medal tally since 1988.