Treponema Pallidum Nucleic Acide

Sirifi ni indwara ikunze kwandurira mu mibonano mpuzabitsina mu buvuzi, ahanini yerekeza ku ndwara idakira kandi ikwirakwira mu mibonano mpuzabitsina iterwa n'ubwandu bwa Treponema Pallidum (TP). Sirifi ikwirakwira cyane cyane binyuze mu kwanduzanya ibitsina, kwanduzanya hagati y'umubyeyi n'umwana ndetse no kwanduzanya amaraso. Abarwayi ba sirifi ni bo bonyine bandura, kandi Treponema pallidum ishobora kugaragara mu masohoro yabo, mu mashereka, mu macandwe no mu maraso. Sirifi ishobora kugabanywamo ibice bitatu hakurikijwe uko indwara igenda. Sirifi yo mu cyiciro cya mbere ishobora kugaragara nk'ikibyimba gikomeye n'uturemangingo tw'impyiko twabyimbye, muri iki gihe ikaba ari yo yandura cyane. Sirifi yo mu cyiciro cya kabiri ishobora kugaragara nk'ibisebe bya sirifi, ikibyimba gikomeye kikagabanuka, kandi ubwandu nabwo bukaba bukomeye. Sirifi yo mu cyiciro cya gatatu ishobora kugaragara nk'ikibyimba cy'amagufwa, neurosyphilis, nibindi.