Central African Journal of Public Health

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Impact of Meteorological Parameters on Distribution of Pulmonary Tuberculosis in the City of Yaoundé, Centre Region of Cameroon

Received: 30 August 2018    Accepted: 30 October 2018    Published: 11 March 2019
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Abstract

Tuberculosis remains a major health problem and particularly in the Centre Region of Cameroon where prevalence is still high in the city of Yaoundé. Climate has been proved to have impact on tuberculosis distribution. This study aimed at assessing possible association of TB notifications with some meteorological parameters. Daily, weekly, monthly and quaterly aggregates of tuberculosis diagnosis results for consecutive tuberculosis patients tested over one year (April 2010 until March 2011) at Jamot Hospital of Yaoundé were analysed (Microsoft excel and SPSS). A total of 665 tuberculosis patients were enrolled at the Jamot Hospital of Yaoundé during the study period. Weekly mean humidity and temperature were related to tuberculosis cases with respectively Pearson correlation coefficients of 0.291 and -0.342 even though the relation was weak. For the relationship magnitude 8.5% and 11.7% of the variance in tuberculosis cases were explained by weekly mean humidity and temperature respectively. A Poisson regression predicted more tuberculosis cases following weekly increase of humidity, a statistically significant result with p ˂ 0.001. There was 12.1% decrease in the number of tuberculosis cases for each decrease of temperature per week. However, rainfall had no impact on tuberculosis notifications even though most cases were recorded in rainy season while seasonal index changed over time. In short, tuberculosis notifications showed to be associated to two meteorological parameters: mean ambient temperature and relative mean humidity. The highest peak was in the month of June during the rainy season. Data from this work may contribute to the National Tuberculosis Control Program to model tuberculosis variation from recorded tuberculosis notifications since years in order to find an indicator for better intervention strategies for disease control.

DOI 10.11648/j.cajph.20190502.13
Published in Central African Journal of Public Health (Volume 5, Issue 2, April 2019)
Page(s) 77-82
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Meteorological Parameters, Tuberculosis, Yaoundé

References
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Author Information
  • Biotechnology Centre of Nkolbisson, Laboratory for Tuberculosis Research, University of Yaoundé I, Yaoundé, Cameroon; Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon

  • Biotechnology Centre of Nkolbisson, Laboratory for Tuberculosis Research, University of Yaoundé I, Yaoundé, Cameroon; Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon

  • Biotechnology Centre of Nkolbisson, Laboratory for Tuberculosis Research, University of Yaoundé I, Yaoundé, Cameroon

  • Biotechnology Centre of Nkolbisson, Laboratory for Tuberculosis Research, University of Yaoundé I, Yaoundé, Cameroon

  • Biotechnology Centre of Nkolbisson, Laboratory for Tuberculosis Research, University of Yaoundé I, Yaoundé, Cameroon

  • Biotechnology Centre of Nkolbisson, Laboratory for Tuberculosis Research, University of Yaoundé I, Yaoundé, Cameroon; Department of Microbiology, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon

  • Biotechnology Centre of Nkolbisson, Laboratory for Tuberculosis Research, University of Yaoundé I, Yaoundé, Cameroon; Department of Biochemistry, Faculty of Science, University of Yaoundé I, Yaoundé, Cameroon

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    Serges Tchatchouang, Anne Laure Wetewale, Jean Claude Tedom, Emmanuel Tekwu Mouafo, Larissa Kamgue Sidze, et al. (2019). Impact of Meteorological Parameters on Distribution of Pulmonary Tuberculosis in the City of Yaoundé, Centre Region of Cameroon. Central African Journal of Public Health, 5(2), 77-82. https://doi.org/10.11648/j.cajph.20190502.13

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    ACS Style

    Serges Tchatchouang; Anne Laure Wetewale; Jean Claude Tedom; Emmanuel Tekwu Mouafo; Larissa Kamgue Sidze, et al. Impact of Meteorological Parameters on Distribution of Pulmonary Tuberculosis in the City of Yaoundé, Centre Region of Cameroon. Cent. Afr. J. Public Health 2019, 5(2), 77-82. doi: 10.11648/j.cajph.20190502.13

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    AMA Style

    Serges Tchatchouang, Anne Laure Wetewale, Jean Claude Tedom, Emmanuel Tekwu Mouafo, Larissa Kamgue Sidze, et al. Impact of Meteorological Parameters on Distribution of Pulmonary Tuberculosis in the City of Yaoundé, Centre Region of Cameroon. Cent Afr J Public Health. 2019;5(2):77-82. doi: 10.11648/j.cajph.20190502.13

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  • @article{10.11648/j.cajph.20190502.13,
      author = {Serges Tchatchouang and Anne Laure Wetewale and Jean Claude Tedom and Emmanuel Tekwu Mouafo and Larissa Kamgue Sidze and Jean Paul Assam-Assam and Veronique Penlap Beng},
      title = {Impact of Meteorological Parameters on Distribution of Pulmonary Tuberculosis in the City of Yaoundé, Centre Region of Cameroon},
      journal = {Central African Journal of Public Health},
      volume = {5},
      number = {2},
      pages = {77-82},
      doi = {10.11648/j.cajph.20190502.13},
      url = {https://doi.org/10.11648/j.cajph.20190502.13},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.cajph.20190502.13},
      abstract = {Tuberculosis remains a major health problem and particularly in the Centre Region of Cameroon where prevalence is still high in the city of Yaoundé. Climate has been proved to have impact on tuberculosis distribution. This study aimed at assessing possible association of TB notifications with some meteorological parameters. Daily, weekly, monthly and quaterly aggregates of tuberculosis diagnosis results for consecutive tuberculosis patients tested over one year (April 2010 until March 2011) at Jamot Hospital of Yaoundé were analysed (Microsoft excel and SPSS). A total of 665 tuberculosis patients were enrolled at the Jamot Hospital of Yaoundé during the study period. Weekly mean humidity and temperature were related to tuberculosis cases with respectively Pearson correlation coefficients of 0.291 and -0.342 even though the relation was weak. For the relationship magnitude 8.5% and 11.7% of the variance in tuberculosis cases were explained by weekly mean humidity and temperature respectively. A Poisson regression predicted more tuberculosis cases following weekly increase of humidity, a statistically significant result with p ˂ 0.001. There was 12.1% decrease in the number of tuberculosis cases for each decrease of temperature per week. However, rainfall had no impact on tuberculosis notifications even though most cases were recorded in rainy season while seasonal index changed over time. In short, tuberculosis notifications showed to be associated to two meteorological parameters: mean ambient temperature and relative mean humidity. The highest peak was in the month of June during the rainy season. Data from this work may contribute to the National Tuberculosis Control Program to model tuberculosis variation from recorded tuberculosis notifications since years in order to find an indicator for better intervention strategies for disease control.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Impact of Meteorological Parameters on Distribution of Pulmonary Tuberculosis in the City of Yaoundé, Centre Region of Cameroon
    AU  - Serges Tchatchouang
    AU  - Anne Laure Wetewale
    AU  - Jean Claude Tedom
    AU  - Emmanuel Tekwu Mouafo
    AU  - Larissa Kamgue Sidze
    AU  - Jean Paul Assam-Assam
    AU  - Veronique Penlap Beng
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    JF  - Central African Journal of Public Health
    JO  - Central African Journal of Public Health
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    PB  - Science Publishing Group
    SN  - 2575-5781
    UR  - https://doi.org/10.11648/j.cajph.20190502.13
    AB  - Tuberculosis remains a major health problem and particularly in the Centre Region of Cameroon where prevalence is still high in the city of Yaoundé. Climate has been proved to have impact on tuberculosis distribution. This study aimed at assessing possible association of TB notifications with some meteorological parameters. Daily, weekly, monthly and quaterly aggregates of tuberculosis diagnosis results for consecutive tuberculosis patients tested over one year (April 2010 until March 2011) at Jamot Hospital of Yaoundé were analysed (Microsoft excel and SPSS). A total of 665 tuberculosis patients were enrolled at the Jamot Hospital of Yaoundé during the study period. Weekly mean humidity and temperature were related to tuberculosis cases with respectively Pearson correlation coefficients of 0.291 and -0.342 even though the relation was weak. For the relationship magnitude 8.5% and 11.7% of the variance in tuberculosis cases were explained by weekly mean humidity and temperature respectively. A Poisson regression predicted more tuberculosis cases following weekly increase of humidity, a statistically significant result with p ˂ 0.001. There was 12.1% decrease in the number of tuberculosis cases for each decrease of temperature per week. However, rainfall had no impact on tuberculosis notifications even though most cases were recorded in rainy season while seasonal index changed over time. In short, tuberculosis notifications showed to be associated to two meteorological parameters: mean ambient temperature and relative mean humidity. The highest peak was in the month of June during the rainy season. Data from this work may contribute to the National Tuberculosis Control Program to model tuberculosis variation from recorded tuberculosis notifications since years in order to find an indicator for better intervention strategies for disease control.
    VL  - 5
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