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1988年7～9月美国两所医院对旅游者进行了血清学检查,每人采血10ml。用改良的被动血凝试验检测破伤风抗体,改良的中和试验检测脊髓灰质炎抗体,用ELISA检测麻疹、风疹和流行性腮腺炎抗体。结果表明,在233名受检的旅游者中,22人(9%)未检出破伤风抗体。年龄大者比年龄小者更可能出现血清阴性反应,女性未检出破伤风抗体的比例比男性高,分别为17%和3%。28人(12%)1或3型脊髓灰质炎抗体阴性。17人缺乏1型抗体,8人无3型抗体,3人两型抗体均阴性。全部受检者均无2型抗
From July to September 1988, two hospitals in the United States conducted serological tests on tourists, each of which collected 10 ml of blood. Tetanus antibodies were tested by a modified passive hemagglutination test, polio antibodies by a modified neutralization test, and measles, rubella and mumps antibodies by ELISA. The results showed that of the 233 subjects tested, 22 (9%) did not detect tetanus antibodies. Older adults are more likely to develop seronegative responses than younger ones, and women who fail to detect tetanus antibodies are 17% and 3% higher than men, respectively. 28 (12%) were negative for type 1 or 3 polio. 17 lacking type 1 antibody, 8 without type 3 antibody, 3 type two type antibody were negative. All subjects had no type 2 resistance