Mumps Virus Nucleic Acid

Kwayar cutar Mumps kwayar cuta ce ta serotype guda ɗaya, amma kwayar halittar furotin ta SH tana da bambanci sosai a cikin ƙwayoyin cuta daban-daban na mumps. An raba ƙwayar cutar Mumps zuwa nau'ikan halittu 12 bisa ga bambance-bambancen kwayoyin halittar furotin ta SH, wato nau'ikan A, B, C, D, F, G, H, I, J, K, L, da N. Rarraba nau'ikan ƙwayoyin cutar mumps yana da halaye na yanki a bayyane. Kwayoyin da suka fi yawa a Turai galibi nau'ikan halittu ne na A, C, D, G, da H; manyan nau'ikan halittu da suka fi yawa a Amurka sune nau'ikan halittu na C, D, G, H, J, da K; manyan nau'ikan halittu da suka fi yawa a Asiya sune nau'ikan halittu na B, F, I, da L; babban nau'in da ya fi yawa a China shine nau'in halittu na F; nau'ikan halittu da suka fi yawa a Japan da Koriya ta Kudu sune nau'ikan halittu na B da I bi da bi. Ba a san ko wannan nau'in ƙwayar cuta da ke tushen kwayar halitta ta SH yana da ma'ana ga binciken allurar rigakafi ba. A halin yanzu, nau'ikan rigakafin da aka rage a duniya galibi nau'in halittu ne na A, kuma ƙwayoyin rigakafi da ƙwayoyin cuta na nau'ikan halittu daban-daban ke samarwa suna da kariya daga juna.