我院1961年至1962年,收治33例流行性出血热病人,报告如下:一、发病季节:本组病人集中发生于9-11月农作物收获季节。二、发病年龄与职业:本组病例绝大部分是18-25岁的青年军人,仅有一名年青妇女,他们都直接参加农业生产劳动。三、临床资料分析:本组病人的临床症状:体征见附表。现就以下各点着重记述:1.前驱症状:本组病人多无前驱症状,少数病人有短时头晕、腰痛、无力等表现,2例在发热前有 Our hospital from 1961 to 1962, 33 cases of patients with epidemic hemorrhagic fever, the report is as follows: First, the onset of the season: This group of patients concentrated in the September-November crop harvest season. Second, the age of onset and occupation: The vast majority of cases in this group are young soldiers aged 18-25, only one young woman, they are directly involved in agricultural production labor. Third, clinical data analysis: The clinical symptoms of this group of patients: signs see Schedule. The following points are highlighted below: 1. Precursor Symptoms: This group of patients without prodromal symptoms, a small number of patients with short-term dizziness, back pain, weakness and other performance, 2 cases before fever