Learn about these infections, including types, treatment, and prevention.
A wide range of symptoms and complications can occur based on the part of the body affected.
Anyone can get it, but factors, like age, can increase someone's risk.
All children younger than 5 years old should get Haemophilus influenzae type b or Hib vaccines.
For Professionals
Information on diagnosis, prevention guidelines, types of infection, and who's at risk.
CDC tracks invasive cases nationally. Vaccine-preventable cases are low.
This CDC laboratory focuses on two bacterial causes of meningitis.