BELLMORE, Long Island (WABC) -- A high school student in Nassau County has been diagnosed with meningococcal meningitis.
It's a rare but serious infection.
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The principal at John F. Kennedy High School in Bellmore sent a letter to parents urging them to be on the lookout for symptoms.
The bacterial infection is spread through close contact with an infected person.
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Symptoms can include high fever, headache, vomiting, stiff neck and rash.