Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Allurar rigakafin BCG tana da iyaka, kuma ana ci gaba da bincike don samar da sabbin alluran rigakafin cutar tarin fuka. Yawancin 'yan takara da yawa a halin yanzu suna cikin gwaji na asibiti na I da na II. Ana amfani da manyan hanyoyi guda biyu don kokarin inganta ingancin alluran rigakafin da ake da su. Hanya ɗaya ta haɗa da ƙara allurar rigakafin ƙaramin rukuni zuwa BCG, yayin da wata dabarar ke ƙoƙarin ƙirƙirar sabbin alluran rai da mafi kyau. MVA85A, misali ne na allurar rigakafin subunit, a halin yanzu ana gwaji a Afirka ta Kudu, ya dogara ne akan kwayar cutar vaccina da aka gyara ta hanyar kwayar halitta. Ana fatan alluran rigakafi za su taka muhimmiyar rawa wajen magance cututtukan da ke ɓoye da na aiki. Don ƙarfafa ƙarin ganowa, masu bincike da masu tsara manufofi suna inganta sabbin tsarin tattalin arziƙin ci gaban allurar rigakafi, gami da kyaututtuka, abubuwan ƙarfafa haraji, da alkawurran kasuwa na gaba. Ƙungiyoyi da yawa, ciki har da Stop TB Partnership, da South African Tuberculosis Vaccine Initiative, da kuma Aeras Global TB Vaccine Foundation, suna cikin binciken. Daga cikin wadannan, Gidauniyar Aeras Global TB Vaccine Foundation ta sami kyautar sama da dala miliyan 280 (Amurka) daga Gidauniyar Bill da Melinda Gates don haɓaka da lasisi ingantacciyar rigakafin cutar tarin fuka don amfani a cikin ƙasashe masu nauyi. Ana nazarin magunguna da yawa don tarin fuka mai jurewa da magunguna da yawa, gami da bedaquiline da delamanid. Bedaquiline ya sami amincewar Hukumar Abinci da Magunguna ta Amurka (FDA) a ƙarshen 2012. Har yanzu ba a tabbatar da aminci da ingancin waɗannan sabbin magungunan ba, saboda sun dogara ne akan sakamakon ƙananan ƙananan karatu. Koyaya, bayanan da ake da su sun nuna cewa marasa lafiyar da ke shan bedaquiline ban da maganin TB na yau da kullun sun ninka sau biyar na mutuwa fiye da waɗanda ba tare da sabon maganin ba, wanda ya haifar da labaran mujallar likitanci da ke tayar da tambayoyin manufofin kiwon lafiya game da dalilin da yasa FDA ta amince da maganin da kuma ko alaƙar kuɗi ga kamfanin da ke yin bedaquiline ya rinjayi goyon bayan likitoci don amfani da shi.  Tambaya: Mene ne aikin allurar rigakafi?
jiyya na duka latent da kuma aiki cutar