translation.en: Most instances of the disease in Europe are caused by serogroups B and C. Since 1999, several countries have introduced vaccination programmes against serogroup C, using a new generation of so called “conjugate ” vaccines.
translation.mt: Ħafna istanzi tal-marda fl-Ewropa huma kkawżati minn serogruppi B u Ċ. Sa mill-1999, diversi pajjiżi introduċew il-programmi ta' tilqim kontra s-serogrupp Ċ, bl-użu ta' ġenerazzjoni ġdida ta' vaċċini hekk imsejħa "konjugati".