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[Association of Haemophilus influenzae infection with environmental and climatic factors in Suzhou, China]. / 苏州地区流感嗜血杆菌感染与环境气候的相关因素分析.
Huang, Feng; Gu, Wen-Jing; Jiang, Wu-Jun; Sun, Hui-Ming; Chen, Zheng-Rong; Yan, Yong-Dong; Hao, Chuang-Li; Zhu, Can-Hong.
Affiliation
  • Huang F; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
  • Gu WJ; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
  • Jiang WJ; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
  • Sun HM; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
  • Chen ZR; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
  • Yan YD; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
  • Hao CL; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
  • Zhu CH; Department of Respiratory Disease, Children's Hospital of Soochow University,Suzhou,Jianghsu,215000,China.
Zhongguo Dang Dai Er Ke Za Zhi ; 24(12): 1351-1355, 2022 Dec 15.
Article in Zh | MEDLINE | ID: mdl-36544418
ABSTRACT

OBJECTIVES:

To investigate the epidemiological characteristics of respiratory Haemophilus influenzae (HI) infection in children in Suzhou, China and its association with climatic factors and air pollutants.

METHODS:

The data on air pollutants and climatic factors in Suzhou from January 2016 to December 2019 were collected. Respiratory secretions were collected from 7 940 children with acute respiratory infection who were hospitalized during this period, and bacterial culture results were analyzed for the detection of HI. A stepwise regression analysis was used to investigate the association of HI detection rate with air pollutants (PM2.5, PM10, NO2, SO2, CO, and O3) and climatic factors (monthly mean temperature, monthly mean humidity, monthly total rainfall, monthly total sunshine duration, and monthly mean wind speed).

RESULTS:

In 2016-2019, the 4-year overall detection rate of HI was 9.26% (735/7 940) among the children in Suzhou. The children aged <1 year and 1-<3 years had a significantly higher HI detection rate than those aged ≥3 years (P<0.01). The detection rate of HI in spring was significantly higher than that in the other three seasons, and the detection rate of HI in autumn was significantly lower than that in the other three seasons (P<0.001). The multiple linear regression analysis showed that PM10 and monthly mean wind speed were independent risk factors for the detection rate of HI the detection rate of HI was increased by 0.86% for every 10 µg/m3 increase in the concentration of PM10 and was increased by 5.64% for every 1 m/s increase in monthly mean wind speed. Air pollutants and climatic factors had a lag effect on the detection rate of HI.

CONCLUSIONS:

HI is an important pathogen for acute respiratory infection in children in Suzhou and is prevalent in spring. PM10 and monthly mean wind speed are independent risk factors for the detection rate of HI.
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Full text: 1 Database: MEDLINE Main subject: Respiratory Tract Infections / Air Pollutants / Air Pollution / Haemophilus Infections Type of study: Etiology_studies / Risk_factors_studies Limits: Child / Humans Country/Region as subject: Asia Language: Zh Year: 2022 Type: Article
Fulltext
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PubMed Links
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Full text: 1 Database: MEDLINE Main subject: Respiratory Tract Infections / Air Pollutants / Air Pollution / Haemophilus Infections Type of study: Etiology_studies / Risk_factors_studies Limits: Child / Humans Country/Region as subject: Asia Language: Zh Year: 2022 Type: Article