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1996年6月开始,乌干达中南部的Rakai县的卫生部门发现急性低热的病例在增加。这些病例的特征是低热、全身不适,两天后出现对称型的多关节疼痛,通常伴有淋巴腺肿大,再过两天,可见全身性斑丘疹。临床症状出现后一至两周,虽然某些患者的关节痛仍持续一个时候,但病人可完全痊愈。同年9月至10月,在Rakai县的周围地区,包括乌干达的Mbarara和Maraka县,以
Since June 1996, the health sector in Rakai County in south-central Uganda has found an increase in cases of acute hypothermia. These cases are characterized by fever, general malaise, and symmetrical multi-joint pain after two days, usually accompanied by enlargement of the lymph glands. In two days, systemic rash appears. One to two weeks after the onset of clinical symptoms, the patient may be fully recovered although the joint pain in some patients persists for a time. In the same year from September to October, in the area around Rakai County, including Mbarara and Maraka Counties in Uganda,