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流脑是我县冬春季常见传染病,为了解流脑流行特征,掌握其流行规律,提高流行予测的准确性,我们分析了20年来的流脑流行病学资料,结果如下:
In order to understand the epidemiological characteristics of meningitis and to grasp its epidemic law and to improve the accuracy of epidemic prediction, we have analyzed the epidemiological data of meningococci over the past 20 years. The results are as follows: