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对武汉市１２～１４岁儿童鼻咽携带溶血性链球菌（ＨＳ）及教室空气中检测结果表明：鼻携带ＨＳ为１５．３％、咽２５．６％、鼻咽３．４％，鼻携带ＨＳ以春＞冬＞夏、秋（Ｐ均＜０．０５），咽仅以秋＞冬（Ｐ＜０．０５）；教室空气中ＨＳ春＞冬（Ｐ＜０．０５），ＨＳ日变化春季大冬季小，ＨＳ日峰值除夏季在第一节课外．其他季节在第二节课，ＨＳ在冬季早读即可检出。研究表明：ＨＳ是室内空气微生物流行病学最直接和最有说明力的指标。
The results of nasopharyngeal hemolytic streptococcus (HS) and classroom air tests in 12-14-year-old children in Wuhan showed that the nasal carriage of HS was 15.3%, pharyngeal 25.6%, nasopharynx 3.4%, nasal carriage HS was higher in spring> winter> summer and autumn (P <0.05), only in autumn> winter (P <0.05), HS spring in winter (P <0.05) Spring big winter small, HS peak except summer in the first class. Other seasons In the second class, HS is detected early in winter. Studies have shown that: HS is the most direct and the most demonstrative indicator of indoor air microbial epidemiology.