MEMPHIS, Tenn. (AP) - Health officials say the number of measles cases in Shelby County has risen to seven.

The Shelby County Health Department has been working to stem an outbreak of measles since the first two cases of the illness were reported in late April. The health department confirmed the seventh case on Friday. None of the patients are being identified.

The department has identified 14 places where people may have been exposed. The department is asking residents to ensure that family and friends have received the measles-mumps-rubella vaccine.

Measles starts with a high fever, runny nose, cough and red eyes, followed by a rash. The highly contagious illness can lead to pneumonia or brain inflammation. People who have symptoms are advised to stay home and contact their doctor immediately.

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