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肺炎支原体肺炎旧称原发性非典型肺炎,是由肺炎支原体感染所致的急性肺部炎症。其患病率占小儿肺炎总发病数的10%～30%。过去认为本病多见于儿童及青少年,近年来发现婴幼儿的发病率也较高,有报道4个月的婴儿患支原体肺炎,且病情较重。该病四季均有发病,秋冬季较多见,每隔3～6年出现一次地区性流行。至今已分离鉴定的支原体160多种,从人体分离到的有16种,1962年即分离出肺炎支原体,并认识它是人类急性呼吸道感染最常见的病因之一。肺炎支原体是介于细菌与病毒之间,能独立生活的最小微生物,病原体直径125～150μm,二分裂繁殖。和细菌相似,但无细胞壁,故呈球状、杆状、丝状等
Mycoplasma pneumoniae pneumonia, formerly known as primary SARS, is an acute lung inflammation caused by mycoplasma pneumoniae infection. The prevalence of pediatric pneumonia, the total incidence of 10% to 30%. In the past that the disease more common in children and adolescents in recent years found that the incidence of infants and young children are also higher, there are reports of 4-month-old baby suffering from mycoplasma pneumonia, and the serious condition. The incidence of disease in all seasons, more common in autumn and winter, every 3 to 6 years there was a regional epidemic. So far, more than 160 mycoplasmas have been isolated and identified, of which 16 have been isolated from the human body. Mycoplasma pneumoniae is isolated in 1962 and it is one of the most common causes of human acute respiratory infection. Mycoplasma pneumoniae is between the bacteria and the virus, can live independently of the smallest microorganisms, pathogens diameter 125 ~ 150μm, two fission and reproduction. And bacteria are similar, but no cell wall, it was spherical, rod, filamentous and so on