Neisseria meningitidis, also called meningococcus, is the most common cause of bacterial meningitis in children and teens. In adults, it's the second most common cause.

There are several strains of Neisseria meningitidis, identified by different serogroups (A, B, C, W, X, and Y). These serogroups are responsible for varying degrees of illness worldwide.

According to the Virginia Department of Health (VDH), 27 cases of the disease, caused by a bacteria called Neisseria meningitidis type Y, have been identified in eastern, central, and southwest ...

US health are urging doctors to watch for certain types of rare, serious infections caused by the bacteria Neisseria meningitidis. BSIP/Universal Images Group/Getty Images. CNN — ...

In the alert, the CDC explained that a variant of the Neisseria meningitidis serogroup Y has reported 140 cases in 2024 so far. Although meningitis typically affects infants and young adults, ...

By the Numbers: A rising fatality rate. The illness is caused by infection with a bacterium called Neisseria meningitidis. Last year, 422 cases of invasive meningococcal disease were reported in ...