Research articleEpidemiological analysis of tularemia in Japan (yato-byo)
Research articleEpidemiological analysis of tularemia in Japan (yato-byo)
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研究文章日本兔热病流行病学分析（yato-byo）
DOI：
10.1016/0928-8244(95)00101-8
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发表时间：
1996
期刊：
影响因子：
--
通讯作者：
M. Homma
中科院分区：
文献类型：
--
作者：
Y. Ohara;Tadashi Sato;M. Homma
对1924年以来在日本观察到的1372例土拉菌病进行了分析。90%以上的病例报告发生在日本主岛东北部。第二次世界大战后，20年来每年报告的病例超过40例。然而，自1966年以来，每年发生的病例不到10例。93%的病例是由接触感染的野兔引起的。各月的分布格局为12月有一个高峰，5月有一个低峰。40岁以上的患者人数和女性病例比例逐渐增加。在早些时候的调查期间，几乎70%的病例从事农业，但目前这一比例不到50%。日本土拉菌病发病率的变化被认为与二战后日本经济的快速增长引起的生活方式的改变有关。
A total of 1372 cases of tularemia observed in Japan since 1924 were analysed. More than 90% of the cases were reported in the north-eastern part of the main island of Japan. After World War II, more than 40 cases were reported yearly for 20 years. Since 1966, however, there have been less than 10 cases per year. Ninety-three % of the cases were caused by contact with infected wild rabbits. The pattern of monthly distribution showed a peak in December and also a lower peak in May. The number of patients older than 40 years of age and the proportion of cases in females have gradually increased. In the earlier survey periods almost 70% of the cases were engaged in agriculture but at present this rate is less than 50%. The changes in the occurrence of tularemia in Japan is thought to be related to the change of life style caused by the rapid growth of the Japanese economy after World War II.