今年二、三月间,河南省的襄县、罗山县、宝丰县、信阳县的部分农村中学爆发流行一种病因不明的疾病,主要症状是四肢末端烧灼样疼痛,伴有麻木感,局部浅感觉迟钝,疼痛遇冷后缓解,遇热加重,夜晚睡眠双足不能放于被内,严重者可影响行走,疼痛局部不发红,不发热,无红斑,全身症状不明显。本病与硫胺素缺乏引起的对称性周围神经炎有很多相似之处,基层卫生工作者也多认为是硫胺素缺乏所致并按此处理。为 In February and March of this year, epidemic diseases of unknown etiology broke out in some rural middle schools in Xiang County, Luoshan County, Baofeng County and Xinyang County of Henan Province. The main symptoms were burning-like pain in the extremities, numbness, Shallow feeling unresponsive, pain relief in case of cold, exacerbated by heat, night sleep feet can not be placed inside, severe cases can affect walking, local pain is not redness, no fever, no erythema, systemic symptoms are not obvious. The disease and the lack of thiamine symmetry caused by peripheral neuritis have many similarities, grassroots health workers are also mostly due to the lack of thiamine and treatment accordingly. for