已在军队新兵和养老院人群中观察到肺炎衣原体导致的肺炎的爆发。[4]Csango PA, Haraldstad S, Pedersen JE, et al. Respiratory tract infection due to Chlamydia pneumoniae in military personnel. Scand J Infect Dis Suppl. 1997;104:26-29.http://www.ncbi.nlm.nih.gov/pubmed/9259077?tool=bestpractice.com[5]Troy CJ, Peeling RW, Ellis AG, et al. Chlamydia pneumoniae as a new source of infectious outbreaks in nursing homes. JAMA. 1997;277:1214-1218.http://www.ncbi.nlm.nih.gov/pubmed/9103345?tool=bestpractice.com[6]Nakashima K, Tanaka T, Kramer MH, et al. Outbreak of Chlamydia pneumoniae infection in a Japanese nursing home, 1999-2000. Infect Control Hosp Epidemiol. 2006;27:1171-1177.http://www.ncbi.nlm.nih.gov/pubmed/17080373?tool=bestpractice.com