The influence of climate variation and change on diarrheal disease in the Pacific Islands.

Singh, Reena B, Hales, Simon, De Wet, Neil, Raj, Rishi, Hearnden, Mark and Weinstein, Phil (2001) The influence of climate variation and change on diarrheal disease in the Pacific Islands. Environmental health perspectives, 109 (2). pp. 155-159.

Abstract

Freshwater resources are a high-priority issue in the Pacific region. Water shortage is a serious
problem in many small island states, and many depend heavily on rainwater as the source of their
water. Lack of safe water supplies is an important factor in diarrheal illness. There have been no
previous studies looking specifically at the relationship between climate variability and diarrhea in
the Pacific region. We carried out two related studies to explore the potential relationship
between climate variability and the incidence of diarrhea in the Pacific Islands. In the first study,
we examined the average annual rates of diarrhea in adults, as well as temperature and water
availability from 1986 to 1994 for 18 Pacific Island countries. There was a positive association
between annual average temperature and the rate of diarrhea reports, and a negative association
between water availability and diarrhea rates. In the second study, we examined diarrhea notifica�tions in Fiji in relation to estimates of temperature and rainfall, using Poisson regression analysis
of monthly data for 1978–1998. There were positive associations between diarrhea reports and
temperature and between diarrhea reports and extremes of rainfall. These results are consistent
with previous research and suggest that global climate change is likely to exacerbate diarrheal ill�ness in many Pacific Island countries. Key words: climate change, diarrheal disease, epidemiology,
Pacific islands, rainfall, temperature, water resources. Environ Health Perspect 109:155–159
(2001). [Online 24 January 2001]
http://ehpnet1.niehs.nih.gov/docs/2001/109p155-159singh/abstract.html

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