The Portuguese Olympic Committee (COP) has announced that two of its triathletes, Vasco Vilaça and Melanie Santos, fell ill after swimming in the Seine River.

In a statement on August 7, the COP’s Sports Medicine Department reported that Vilaça had developed symptoms consistent with a gastrointestinal infection.

“The Portuguese Olympic Committee (COP) informs, through its Sports Medicine Department, that athlete Vasco Vilaça has developed symptoms compatible with gastrointestinal infection in the last few hours during his stay at the Paris 2024 Olympic Games,” the body said.

The committee also noted that Vilaça was in stable condition and that the other athlete Melanie Santos had experienced similar symptoms, although less severe.