Meningitis Incidence, Risks & Prevention (CDC Data)

US Annual Estimates (CDC):

• Bacterial meningitis: ~1,200 cases; ~10% fatal.
• Viral meningitis: ~15,000 cases; usually milder.

High-Risk Groups

• Children <5, adults >65
• Immunocompromised

Symptoms

Fever, headache, stiff neck, nausea/vomiting, confusion, seizures → emergency.

Prevention

• MenACWY vaccine (meningococcal)
• Hib vaccine (Haemophilus influenzae type b)
• Pneumococcal vaccines

Vaccination is the most effective protection.