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Progress in Physical Geography, Vol. 28, No. 3, 387-398 (2004)
DOI: 10.1191/0309133304pp417ra
© 2004 SAGE Publications

Climate and infectious disease in the southwestern United States

Korine N. Kolivras

Department of Geography, Virginia Polytechnic Institute and State University, 115 Major Williams Hall, Blacksburg, VA 24061, USA, korine{at}u.vt.edu

ndrew C. Comrie

Department of Geography, Virginia Polytechnic Institute and State University, 115 Major Williams Hall, Blacksburg, VA 24061, USA

As in many parts of the world, climate variability has a strong impact on infectious diseases within the southwestern USA. Moisture and temperature conditions can either indirectly impact disease by providing an environment conducive to the growth of an animal host or reservoir, or directly through the survival and dispersal of an infectious agent. It is also expected that climate change will affect the number of cases and/or the spatial distribution of infectious diseases. Before the effects of climate change on diseases can be determined, an understanding of the basic relationship between incidence and climate variability should be established. A review of climate impacts on four infectious diseases (hantavirus, plague, dengue and coccidioidomycosis) currently found in southwestern USA (or potentially found in the southwest in the case of dengue) is followed by suggested future research to further understand the relationship between climate variability/change and disease.

Key Words: climate and health • coccidioidomycosis • dengue • hantavirus • infectious disease • landscape epidemiology • plague • Southwest USA


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