There are 28 days until the Summer Olympics opening ceremony, and tests from the historic Seine River show the water is still at dangerous contamination levels for E. coli, which is often linked to fecal bacteria. AdvertisementAlong with the triathlon events, marathon swimmers are scheduled to dive into the river for their events. The three triathlon events will span from July 30 to Aug. 5, while the marathon swimming races will be on Aug. 8 and 9. The latest findings marked the third consecutive week that samples from the river had unsafe levels of bacteria related to fecal matter. Both have said they plan on swimming in the river themselves to prove its cleanliness.

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Persons: Paris, Tony Estanguet, Emmanuel Macron, Paris Mayor Anne Hidalgo, Miguel Medina Organizations: Eau de, World Triathlon, CBS, Games, Paris Mayor, Getty Locations: Eau de Paris, Paris, AFP