CNN is reporting that “A group of Brazilian scientists has detected a drug-resistant bacteria growing off some of Rio de Janeiro’s most stunning beaches, in research being published a month before the city hosts the 2016 Olympic Games.

According to lead researcher Renata Picao, the “super bacteria” entered the city’s waterways when sewage coming from local hospitals got channeled into the bay.”

“The news comes as Rio prepares to host hundreds of thousands of athletes and tourists during next month’s Summer Olympics.”

Read the full story at CNN.