Cikakken bayanin
Tsarin antigen na leptospirosis yana da rikitarwa, kuma akwai nau'ikan antigens guda biyu waɗanda ke da alaƙa da rarrabuwa: ɗayan antigen na sama (p antigen), ɗayan antigen na ciki (s antigen);Tsohon yana wanzu a saman spirochetes, wani hadadden furotin polysaccharides ne, yana da nau'i na musamman, kuma shine tushen rubutun leptospira;Ƙarshen, wanda ya kasance a cikin ciki na spirochetes, shine hadaddun lipopolysaccharide tare da ƙayyadaddun ƙayyadaddun bayanai kuma shine tushen haɗin leptospira.20 An sami fiye da Serotypes 200 a duk faɗin duniya, kuma aƙalla 18 da aka samu fiye da 70 Serotypes da aka samu a China.