Klebsiella wata halitta ce ta kwayoyin cuta da ke cikin dangin Enterobacteriaceae. Waɗannan su ne gram-korau, marasa motsi, ƙwayoyin cuta masu siffar sanda waɗanda ake samun su a wurare daban-daban da suka haɗa da ƙasa, ruwa, da najasar dabbobi. Kwayoyin Klebsiella kuma suna iya yin mulkin mallaka a cikin sassan jikin mutum da na dabbobi, hanyoyin numfashi, da kuma fata. yanayin kiwon lafiya. Cututtukan da Klebsiella ke haifarwa na iya haɗawa da ciwon huhu, ciwon yoyon fitsari, ciwon rauni, da ciwon jini.