对狂犬病免疫失败原因进行了流行病学调查，结果如下：l调查方法以疫情报告为线索，查对疫苗使用登记，核对免疫情况，并逐一家访，查阅住院病历。2结果12例病人中狂犬咬伤8例，“健康”犬咬伤4例，均为男性，年龄在6～52岁之间。伤及头面部4例，上肢6例，下肢和阴囊各1例，均? The epidemiological investigation on the causes of rabies immunization failure was carried out. The results are as follows: l The survey method used the census of epidemic reports as a clue to check the registration of vaccines, check the immunization status, and check the in-patient medical records on a case-by-case basis. 2 Results 8 rabbits bite in 12 patients, “healthy” dog bite in 4 cases, both men, aged between 6 to 52 years old. 4 cases of head and facial injuries, 6 cases of upper limbs, 1 case of lower limbs and scrotum, both