本文报道列宁格勒某传染病院在流行时收治的流感患者的临床特点。1976年流行时,分离出的毒株是A/维多利亚/3/75。根据临床经过和年龄特征,把716例患者分成两组。第一组,无并发症,计317人,以青年患者居多,占63.5%,40～59岁者为19.8%,60岁以上者为16.7%;第二组,并发急性肺炎,计399人,以年长者较多,39岁以下者占24.3%,40～59岁者为30.6%,60岁以上者 This article reports the clinical characteristics of influenza patients admitted to a hospital in Leningrad during a prevalent epidemic. The strain of strain isolated in 1976 was A / Victoria / 3/75. According to clinical characteristics and age characteristics, 716 patients were divided into two groups. The first group, without complications, accounted for 317 people, with the majority of young patients, accounting for 63.5%, 40- 59 years old was 19.8%, 16.7% over the age of 60; the second group, complicated by acute pneumonia, 399 people, The elderly were more, those under 39 accounted for 24.3%, those aged 40-59 were 30.6% and those over 60