If she got sick from the swim, she got unlucky because the bacteria levels were "very good". She probably got sick from somewhere else.
It was not E. coli that made her sick, she wrote, adding that she sought treatment at a clinic in the Olympic Village on Sunday after several days of vomiting and diarrhea “left me quite empty.”
World Triathlon said the bacteria levels last week when the individual triathlon events were held were considered “very good” and that the levels were also within acceptable limits during Monday’s triathlon mixed relay event.
Cleanliness test were also made just before the race. The article from apnews talks about them. I could only find french newspaper talking about it but the "heavy rainfalls" seemed NOT to be a problem.
L'orage de mardi soir "n'est pas passé loin", a admis mercredi le préfet de région Marc Guillaume, mais "il n'a pas plu sur la zone d'épreuves". En cas de précipitations intenses, de l'eau non traitée peut être rejetée dans le fleuve, un phénomène que les ouvrages de rétention inaugurés juste avant les Jeux ont vocation à empêcher. (https://www.europe1.fr/sport/jo-paris-2024-la-qualite-de-leau-de-la-seine-tres-bonne-lors-des-epreuves-de-triathlon-4260748)
Tuesday evening's thunderstorm "was a close call", admitted regional prefect Marc Guillaume on Wednesday, but "it didn't rain on the event zone". In the event of heavy rainfall, untreated water can be discharged into the river, a phenomenon that the retention structures inaugurated just before the Games are designed to prevent.
If she got sick from the swim, she got unlucky because the bacteria levels were "very good". She probably got sick from somewhere else.
source: https://apnews.com/article/olympics-2024-paris-seine-water-quality-triathlon-6a5bbed0ab542a45314ebb21a2ac1840
The cleanliness test results were from samples taken before heavy rainfalls caused the sewers to overflow
Cleanliness test were also made just before the race. The article from apnews talks about them. I could only find french newspaper talking about it but the "heavy rainfalls" seemed NOT to be a problem.