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Open AccessArticle

Leptospirosis Outbreaks in Nicaragua: Identifying Critical Areas and Exploring Drivers for Evidence-Based Planning

1
Pan American Health Organization, Health Surveillance and Disease Prevention and Control, 525 23rd. St. NW, Washington, DC 20037, USA
2
University of Medical Sciences of Habana, Research and Reference Center of Atherosclerosis of Havana, Universidad de Ciencias Médicas de La Habana, Tulipán y Panorama, Plaza, La Habana, Cuba
3
Pan American Health Organization Nicaragua, PO Box 1309, Managua, Nicaragua
4
Ministry of Health of Nicaragua, Costado Oeste Colonia Primero de Mayo, PO Box 107, Managua, Nicaragua
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2012, 9(11), 3883-3910; https://doi.org/10.3390/ijerph9113883
Received: 13 July 2012 / Revised: 21 September 2012 / Accepted: 24 September 2012 / Published: 26 October 2012
(This article belongs to the Special Issue Environmental Determinants of Infectious Disease Transmission)
Leptospirosis is an epidemic-prone zoonotic disease that occurs worldwide. In Central America, leptospirosis outbreaks have been reported in almost all countries; Nicaragua in particular has faced several outbreaks. The objective of this study was to stratify the risk and identify “critical areas” for leptospirosis outbreaks in Nicaragua, and to perform an exploratory analysis of potential “drivers”. This ecological study includes the entire country (153 municipalities). Cases from 2004 to 2010 were obtained from the country’s health information system, demographic and socioeconomic variables from its Census, and environmental data from external sources. Criteria for risk stratification of leptospirosis were defined. Nicaragua reported 1,980 cases of leptospirosis during this period, with the highest percentage of cases (26.36%) in León, followed by Chinandega (15.35%). Among the 153 municipalities, 48 were considered critical areas, 85 were endemic and 20 silent. Using spatial and statistical analysis, the variable presenting the most evident pattern of association with critical areas defined by top quintile of incidence rate is the percentage of municipal surface occupied by the soil combination of cambisol (over pyroclastic and lava bedrock) and andosol (over a volcanic ashes foundation). Precipitation and percentage of rural population are also associated with critical areas. This methodology and findings could be used for Nicaragua’s Leptospirosis Intersectoral Plan, and to identify possible risk areas in other countries with similar drivers. View Full-Text
Keywords: leptospirosis; risk; outbreaks; Nicaragua; Central America leptospirosis; risk; outbreaks; Nicaragua; Central America
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MDPI and ACS Style

Schneider, M.C.; Nájera, P.; Aldighieri, S.; Bacallao, J.; Soto, A.; Marquiño, W.; Altamirano, L.; Saenz, C.; Marin, J.; Jimenez, E.; Moynihan, M.; Espinal, M. Leptospirosis Outbreaks in Nicaragua: Identifying Critical Areas and Exploring Drivers for Evidence-Based Planning. Int. J. Environ. Res. Public Health 2012, 9, 3883-3910. https://doi.org/10.3390/ijerph9113883

AMA Style

Schneider MC, Nájera P, Aldighieri S, Bacallao J, Soto A, Marquiño W, Altamirano L, Saenz C, Marin J, Jimenez E, Moynihan M, Espinal M. Leptospirosis Outbreaks in Nicaragua: Identifying Critical Areas and Exploring Drivers for Evidence-Based Planning. International Journal of Environmental Research and Public Health. 2012; 9(11):3883-3910. https://doi.org/10.3390/ijerph9113883

Chicago/Turabian Style

Schneider, Maria C.; Nájera, Patricia; Aldighieri, Sylvain; Bacallao, Jorge; Soto, Aida; Marquiño, Wilmer; Altamirano, Lesbia; Saenz, Carlos; Marin, Jesus; Jimenez, Eduardo; Moynihan, Matthew; Espinal, Marcos. 2012. "Leptospirosis Outbreaks in Nicaragua: Identifying Critical Areas and Exploring Drivers for Evidence-Based Planning" Int. J. Environ. Res. Public Health 9, no. 11: 3883-3910. https://doi.org/10.3390/ijerph9113883

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