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College Freshmen at Higher Risk of Meningitis

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March 27, 2000 (Atlanta) -- High school seniors applying to college for next fall have something else to worry about besides their major and getting into the cool dorm. According to a study from Nottingham University in England, warding off bacterial meningitis should rank right up there with deciding which professors to avoid.

The U.K. study focuses on meningococcal disease, a rare but potentially fatal infection caused by the bacterium Neisseria meningitidis. Though a few people carry this bacterium in their noses or mouths and never get sick, it is a leading cause of meningitis and septicemia (or blood poisoning) in the U.S.

Meningococcal disease is spread by close contact with an infected person -- by sharing cigarettes or drinking glasses, for example, or through intimate contact such as kissing. The infection initially causes high fever, severe headaches, stiff neck, and nausea or vomiting and may resemble the flu. Serious infections may lead to irritability, confusion, drowsiness, coma, even death.

This type of disease strikes about 3,000 Americans each year and is responsible for some 300 deaths annually. An estimated 100 to 125 cases of meningococcal disease occur each year on U.S. college campuses, and five to 15 students die as a result.

The new study, published in the March 25 edition of British Medical Journal, looked at 2,500 first-year Nottingham University students. Based on tissue samples taken from the students' mouths, the researchers found that the percentage carrying the infection nearly quadrupled in the first four days of the 1997 fall term, says lead researcher Keith Neal, MD. The rate went from less than 6% to 23% in just those few days.

Students living in all-female dorms were at much lower risk. That is probably due to social behavior by the different genders, Neal tells WebMD. The most common risk factors that lead to infection, in order, were drinking in a bar, smoking, being male, visiting nightclubs, and intimate kissing. "Males drinking in bars were [at] particular[ly] high risk," Neal says. "We found a lot of heavy drinking."

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