Inflammation of the membranes surrounding the brain and spinal cord. Bacterial meningitis is particularly dangerous and can be prevented through vaccination.
Meningitis is an inflammation of the meninges, the protective membranes covering the brain and spinal cord. It can be caused by bacteria, viruses, fungi, or other pathogens. Bacterial meningitis is the most serious form and requires immediate medical attention (CDC, 2024).
In the U.S., the most common causes of bacterial meningitis are:
Meningococcal disease causes approximately 1,000-2,600 cases annually in the U.S., with 10-15% fatality rate.