Meningococcus vaccines exist against groups A, B, C, W135 and Y. In countries where the vaccine for meningococcus group C was introduced, cases caused by this pathogen have decreased substantially.
Meningokockvacciner finns mot grupperna A, C, W135 och Y. I länder där vaccinet mot meningokock grupp C introducerades, har antalet fall orsakade av detta patogen minskat kraftigt.