Meningococcal meningitis can develop rapidly and affect people of all ages, making awareness and prevention especially important for families. In this Hey Doc feature, Diane Buron, Medical Head for Vaccines at Sanofi South Africa, explains what meningococcal meningitis is, how it spreads, who is most at risk, and the warning signs parents and adults should know. She also discusses prevention and vaccination options that can help protect against meningococcal groups A, C, W and Y, and what families should ask their healthcare providers.