causes meningococcal disease
What causes meningococcal disease?Meningococcal disease is caused by the bacterium Neisseria meningitidis. This bacterium has at least 13 different subtypes. Five of these subtypes, A, B, C, Y, and W-135, cause almost all invasive disease.o. Only the Neisseria meningitidis bacterium can cause meningococcal disease. The vaccine is fractional and contains only a part of the microbe. Technically reviewed by the Centers for Disease Control and Prevention, April 2007.