Kubva kuma1980, nyika dzakawanda dzakabatanidza majekiseni ekudzivirira Haemophilus influenzae mhando B mumitambo yavo yekudzivirira vana. Izvi zvakanyatsobvisa chirwere ichi semhosva ye meningitis muvana vadiki munyika idzodzo. Munyika idzo hurwere hwechirwere hwakanyanya, zvisinei, mushonga uchiri kudhura zvakanyanya. Saizvozvowo, majekiseni ekudzivirira mumps akatungamira mukudonha kwakanyanya kwenhamba yezviitiko zve mumps meningitis, iyo isati yabaiwa jekiseni yakaitika mu15% yezviitiko zvese zvechirwere.Meningococcus majekiseni aripo kurwisa mapoka A, B, C, W135 uye Y. Munyika umo mushonga we meningococcus boka C wakatangwa, zviitiko zvechirwere ichi zvakaderera zvakanyanya.
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