“Bakteriyar zazzabin bera” tana nufin kwayar cutar da ake kira Streptobacillus moniliformis, wacce ita ce sanadin cutar zazzabin bera. Wannan cuta ce ta bakteriya da ake kamuwa da ita ga mutane ta hanyar saduwa da fitsari ko kuma yaushin berayen da suka kamu da cutar, musamman beraye. Cutar na iya haifar da zazzabi, sanyi, ciwon kai, amai, ciwon tsoka, da kurji. Idan ba a kula da shi ba, zazzabin cizon bera na iya haifar da matsaloli masu tsanani kamar endocarditis da meningitis.