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First case of West Nile Virus in Baltimore area

An adult in the Baltimore area is the state's first case of West Nile Virus this season, The Department of Health and Mental Hygiene announced Tuesday.

The virus has also been detected in mosquito pools, used to track the virus, collected in Anne Arundel and Prince George's counties.

Most people with West Nile do not show symptoms, state health officials said. Symptoms that may appear are fever, headache, body aches, skin rash and swollen lymph glands within two to 14 days after a mosquito bite.

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Fewer than one percent of people will develop more severe symptoms such as headache, high fever, neck stiffness, stupor, disorientation, coma, tremors, convulsions, muscle weakness and paralysis.

West Nile can be fatal in rare instances, with people older than 60 and with compromised immune systems at greatest risk of developing severe case.

The number of cases varies by season. Cases peaked in  2003 and 2012, with 73 and 47, respectively. There were six cases last year.

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