At the Paris Olympics, three German swimmers fell ill after competing in the River Seine. The incident has raised questions about the water quality in the river. While officials have stated that the water was deemed "very good" or "excellent" on the day of the event, some have expressed concerns about the potential impact of pollutants on athlete health. As athletes and organizers continue to assess the situation, it remains unclear whether the Seine River's water quality poses a risk to competitors.

Source: https://www.forbes.com/sites/brucelee/2024/08/11/3-german-swimmers-ill-after-racing-in-seine-river-at-paris-olympics/