目的　 2 0 0 0年 1月北京郊区某新兵训练营地发现 2例博杰曼军团菌肺炎。为了解该部队的感染率和发病情况进行了流行病学调查。方法　采用统一表格个案调查。检测血清Lp1 14、Lm、Lboz、Ljor、Ld和Lk抗体 ;同时外环境采水作细菌分离培养。 结果　该部队新兵感染率为33.0 0 % (6 7/2 0 3) ,患病率为 8.87% (18/2 0 3)。 18例患者中 ,肺炎型 2例、庞蒂亚克热型 16例。结论　认为是一起由博杰曼军团菌 (Lboz)引起的军团菌病爆发 Objectives In February 2000, two cases of Legionella pneumophila were found in a boot camp in a suburb of Beijing. An epidemiological investigation was conducted to understand the unit’s infection rate and incidence. Methods using a unified form case investigation. Detection of serum Lp1 14, Lm, Lboz, Ljor, Ld and Lk antibodies; the same time, the external environment of water for bacterial isolation and culture. As a result, the prevalence of recruits in the unit was 33.0% (67/2 0 3), with a prevalence of 8.87% (18/2 0 3). Of the 18 patients, 2 were pneumonia and 16 were Pontiac Heat. The conclusion is that it is a Legionella outbreak caused by Lboz