Identifying Flood-Related Infectious Diseases in Anhui Province, China: A Spatial and Temporal Analysis

The aim of this study was to explore infectious diseases related to the 2007 Huai River flood in Anhui Province, China. The study was based on the notified incidences of infectious diseases between June 29 and July 25 from 2004 to 2011. Daily incidences of notified diseases in 2007 were compared wit...

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Bibliographic Details
Published in:The American journal of tropical medicine and hygiene 2016-04, Vol.94 (4), p.741-749
Main Authors: Gao, Lu, Zhang, Ying, Ding, Guoyong, Liu, Qiyong, Jiang, Baofa
Format: Article
Language:English
Subjects:
China - epidemiology
Communicable Diseases - epidemiology
Communicable Diseases - etiology
Diarrhea - epidemiology
Diarrhea - etiology
Disasters
Dysentery, Bacillary - epidemiology
Dysentery, Bacillary - etiology
Floods
Freshwater
Hepatitis A virus
Humans
Incidence
Malaria - epidemiology
Malaria - etiology
Models, Statistical
Poisson Distribution
Regression Analysis
Spatio-Temporal Analysis
Weather
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Summary:The aim of this study was to explore infectious diseases related to the 2007 Huai River flood in Anhui Province, China. The study was based on the notified incidences of infectious diseases between June 29 and July 25 from 2004 to 2011. Daily incidences of notified diseases in 2007 were compared with the corresponding daily incidences during the same period in the other years (from 2004 to 2011, except 2007) by Poisson regression analysis. Spatial autocorrelation analysis was used to test the distribution pattern of the diseases. Spatial regression models were then performed to examine the association between the incidence of each disease and flood, considering lag effects and other confounders. After controlling the other meteorological and socioeconomic factors, malaria (odds ratio [OR] = 3.67, 95% confidence interval [CI] = 1.77-7.61), diarrhea (OR = 2.16, 95% CI = 1.24-3.78), and hepatitis A virus (HAV) infection (OR = 6.11, 95% CI = 1.04-35.84) were significantly related to the 2007 Huai River flood both from the spatial and temporal analyses. Special attention should be given to develop public health preparation and interventions with a focus on malaria, diarrhea, and HAV infection, in the study region.
ISSN:0002-9637
1476-1645
DOI:10.4269/ajtmh.15-0338