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.
Viral infections that get better without treatment are the most common causes of meningitis. Viral meningitis will last anywhere from 5 to 14 days. Infections with bacteria, fungi, and protozoa are the next most common causes, however, meningitis has resulted from non-infectious causes. The types of bacteria that cause meningitis vary by age groups.