Items in AFP with MESH term: Meningitis, Meningococcal

Prevention of Meningococcal Disease - Article

ABSTRACT: Invasive disease caused by Neisseria meningitidis has an average annual incidence of one case per 100,000 in the United States. The disease can be rapidly fatal or result in severe neurologic and vascular sequelae despite antibiotic therapy. Antibiotic chemoprophylaxis with rifampin, ciprofloxacin, or ceftriaxone is required for household and other close contacts. Although the majority of cases of meningococcal disease are sporadic, outbreaks can occur, and vaccination of the affected population often is necessary. Serogroup B accounts for the highest incidence of disease in young infants but is not contained in any vaccine licensed in the United States. Adolescents and young adults 15 to 24 years of age have a higher incidence of disease and a higher fatality rate than other populations. Because 70 to 80 percent of these infections in the United States are caused by meningococcal serogroups C, Y, and W-135, which are contained in the tetravalent meningococcal vaccines, they are potentially preventable. The U.S. Food and Drug Administration recently approved a meningococcal conjugate vaccine containing serogroups A, C, Y, and W-135. This T-cell-dependent vaccine induces bactericidal antibody production and promotes immunologic memory that should result in a longer duration of immunity. The Advisory Committee on Immunization Practices recommends that this vaccine be given to 11- and 12-year-old adolescents, to adolescents entering high school, and to college freshmen living in dormitories. The vaccine also may be given to persons 11 to 55 years of age who belong to certain high-risk groups.



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