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MIAMI (CBSMiami) – The Florida Department of Health in Miami-Dade County has issued a swim advisory for seven area beaches.

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The advisory issued recommends not swimming at these locations at this time:

• Golden Beach
• Sunny Isles
• Surfside
• North Shore
• 53rd Street in Miami Beach
• Haulover South
• Crandon North and South

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The advisory was issued after collected samples revealed high levels of enterococci.

“The prevalence of enteric bacteria is an indicator of fecal pollution, which may come from storm water run-off, wildlife, pets and human sewage,” officials said.

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The results of the sampling indicate that water contact may pose an increased risk of illness, particularly for susceptible individuals, authorities said.