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.
N meningitidis is another common offending pathogen causing bacterial meningitis. H influenzae type b meningitis, once the most prevalent form of meningitis in children, is now more rare in the developed world because of successful immunization practices (H influenzae type b conjugate vaccine) in the past 2 decades.