Random Laurene Factoid: According to the 1946 U.S. Social Security Administration data, the first name Laurene is not a popular baby girl's name in Ohio. Imagine that, only 5 babies in Ohio have the same name as you in 1946.
Bacteria and viruses are the two main causes of meningitis. The bacterium Neisseria meningitidis, also called meningococcus, causes meningococcal meningitis. In children and teens, meningococcus is the most common cause of bacterial meningitis. In adults, it is the second most common cause.
Bacterial meningitis is caused by any one of several bacteria. The most common bacteria causing meningitis in children and adults in the U.S. are Neisseria meningitidis (meningococcus), Streptococcus pneumoniae (pneumococcus) and, in older patients with decreased immunity, Listeria monocytogenes.iral Meningitis. Viral meningitis is more common than the bacterial form and generally -- but not always -- less serious. It can be triggered by a number of viruses, including several that can cause diarrhea.