<p>Dengue disease has become a major health hazard for the whole world, specifically for tropical and sub-tropical regions, mainly on account of climate change. There&#xa0;are few review studies on climate factors contributing to dengue incidences in the context of smaller regions, and in India, no study has been found with a meta-analysis to evaluate such an association. This systematic literature review aims to identify the climate and non-climate factors impacting dengue using meta-analysis to identify the association between climate factors and dengue incidences in different tropical and sub-tropical regions of India. The literature search has been undertaken&#xa0;using three databases, namely PubMed, Google Scholar, and Scopus. This study performed five meta-analyses to assess the correlation between dengue&#xa0;incidences and climate variables, namely minimum temperature, maximum temperature, precipitation, relative humidity, and mean temperature. The most important climate variables that impact dengue incidences in descending order of priority are precipitation, minimum temperature, mean temperature, relative humidity, and maximum temperature. The precipitation and minimum temperature are identified as the most critical factors that require attention from a policy perspective to reduce the incidence of dengue in India. It is evident from this study that there is a need for undertaking more comprehensive research studies especially in small regions by looking at the combined effect of climate variables, demographic changes, social changes, pathogenic changes, public health services deficiencies and other physiographical variables on dengue so that concrete steps can be taken to combat the effects of climate change on dengue incidences.</p>

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Effect of climate and non-climate factors on the risk of dengue incidences in India: a systematic review and meta-analysis

  • Swantika Sharma,
  • Arya Kumar

摘要

Dengue disease has become a major health hazard for the whole world, specifically for tropical and sub-tropical regions, mainly on account of climate change. There are few review studies on climate factors contributing to dengue incidences in the context of smaller regions, and in India, no study has been found with a meta-analysis to evaluate such an association. This systematic literature review aims to identify the climate and non-climate factors impacting dengue using meta-analysis to identify the association between climate factors and dengue incidences in different tropical and sub-tropical regions of India. The literature search has been undertaken using three databases, namely PubMed, Google Scholar, and Scopus. This study performed five meta-analyses to assess the correlation between dengue incidences and climate variables, namely minimum temperature, maximum temperature, precipitation, relative humidity, and mean temperature. The most important climate variables that impact dengue incidences in descending order of priority are precipitation, minimum temperature, mean temperature, relative humidity, and maximum temperature. The precipitation and minimum temperature are identified as the most critical factors that require attention from a policy perspective to reduce the incidence of dengue in India. It is evident from this study that there is a need for undertaking more comprehensive research studies especially in small regions by looking at the combined effect of climate variables, demographic changes, social changes, pathogenic changes, public health services deficiencies and other physiographical variables on dengue so that concrete steps can be taken to combat the effects of climate change on dengue incidences.