Human exposure risk assessment for infectious diseases due to temperature and air pollution: an overview of reviews.

Publication date: Jul 13, 2023

Air pollution and global temperature change are expected to affect infectious diseases. Air pollution usually causes inflammatory response and disrupts immune defense system, while temperature mainly exacerbates the effect of vectors on humans. Yet to date overview of systematic reviews assessing the exposure risk of air pollutants and temperature on infectious diseases is unavailable. This article aims to fill this research gap. PubMed, Embase, the Cochrane Library, Web of Science, and the Cumulative Index to Nursing and Allied Health Literature were searched. Systematic reviews and meta-analyses investigated the exposure risk of pollutants or temperature on infectious diseases were included. Two investigators screened literature, extracted data and performed the risk of bias assessments independently. A total of 23 articles met the inclusion criteria, which 3 (13%) were “low” quality and 20 (87%) were “critically low” quality. COVID-19 morbidity was associated with long-term exposure PM (RR = 1. 056 per 1 [Formula: see text], 95% CI: 1. 039-1. 072) and NO (RR = 1. 042 per 1 [Formula: see text], 95% CI: 1. 017-1. 068). In addition, for each 1 ^0C increase in temperature, the morbidity risk of dengue increased 13% (RR = 1. 130 per 1 ^0C, 95% CI: 1. 120-1. 150), infectious diarrhea increased 8% (RR = 1. 080 per 1 ^0C, 95% CI: 1. 050-1. 200), and hand, foot and mouth disease (HFMD) increased 5% (RR = 1. 050 per 1 ^0C, 95% CI: 1. 020-1. 080). In conclusion, PM and NO increased the risk of COVID-19 and temperatures were associated with dengue, infectious diarrhoea and HFMD morbidity. Moreover, the exposure risk of temperature on COVID-19 was recommended to be further explored.

Concepts Keywords
Diarrhoea COVID-19
Library Environmental risks
Nursing Infectious diseases
Systematic review


Type Source Name
disease MESH infectious diseases
drug DRUGBANK Medical air
disease MESH causes
disease VO Gap
drug DRUGBANK Methionine
disease IDO quality
disease MESH COVID-19
disease MESH morbidity
disease MESH dengue
disease MESH hand foot and mouth disease

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