What are meningococcal infections? Meningococcal infections are
caused by a group of bacteria called Neisseria meningitidis. The
most common forms of meningococcal infections include meningitis
(infection of the membranes that surround the brain and spinal
cord) and blood stream infections. Meningococcal infections are
usually uncommon, but potentially fatal. - The National
Foundation of Infectious Diseases estimates 2,800 cases of
invasive meningococcal disease in the US each year. -
Meningococcal infections occur most frequently during the late
winter and early spring months. - Meningococcal infections are
most prevalent in children, but also occur in adolescents and
adults. How are meningococcal infections transmitted? The
Neisseria meningitidis bacteria are spread through close contact
with infected individuals. Droplets in the air from a sneeze or
close conversation can be inhaled and may cause infection. Many
individuals who acquire the bacteria in their nose and throat
never develop symptoms. In rare c