Did Rio lagoon waters make U.S. rowers ill?

Four coaches and 11 members with U.S. Rowing fell ill after a pre-Olympics test event in Rio de Janeiro, raising concerns about water quality.

Did Rio lagoon waters make U.S. rowers ill?
Four coaches and 11 members with U.S. Rowing fell ill after a pre-Olympics test event in Rio de Janeiro, raising concerns about water quality.