Health Concerns Raised for People Headed to Lakes This Summer

Dr. Richard Besser tracks the latest news on how to stay safe from exposure to unwanted illnesses.
3:00 | 07/16/14

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Transcript for Health Concerns Raised for People Headed to Lakes This Summer
That was great. Turn to a health alert for anyone headed to Lakes. More than 200 people became sick after swimming in horseshoe lake. Health investigators are investigating. I talked to the health investigator and it's a mystery. 200 complaints but they think far more got sick. The weather had been terrible then this last weekend it was beautiful. And the lake was just overwhelmed with Numbers of people. 2500 people a day. And what the complaints are of typical stomach flu symptoms, he thinks it may be norovirus, so stomach flu symptoms, people got sick 12 to 48 hours after being there and some who had contact with them got sick, as well. Norovirus is highly contagious, one of the big causes of outbreaks and this lake actually had an outbreak of norovirus a couple of years ago. What should people do to protect this themselves? You think of a lake as a clear, pristine place and it is except when it's overtaken and it's like taking a bath with 2,000 strangers. Thank you. So I mean here's -- here's -- there's things you can do. When you're in the lake, you don't want to swallow the water. When you get out you want to wash your hands before you eat food. You want to go to a lake that's monitored because there they're testing it and if you see any green film, that could be algae or a smell is one of the leading causes of this. You don't want to go in those Lakes. Lakes can be wonderful. You just have to take some precautions. Rich Besser, thanks so much.

This transcript has been automatically generated and may not be 100% accurate.

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