(1010 WINS) BALTIMORE Tests show a Johns Hopkins University sophomore from Long Island who died earlier this week most likely had a meningococcal infection. Gilbert Duvalsaint of Searingtown, Long Island was taken by ambulance to a hospital Wednesday. His condition quickly deteriorated, and he died. The university says it first believed Duvalsaint had suffered an allergic reaction. But preliminary lab results now point to the infection. Meningococcal infections can lead to bacterial meningitis. But they spread only after very close contact. Campus authorities are contacting those close to Duvalsaint so they can begin taking antibiotics as a precaution. The 19-year-old...