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Population Density, Poor Sanitation, and Enteric Infections in Nueva Santa Rosa, Guatemala
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Feb 08 2016
Source: Am J Trop Med Hyg. 2016; 94(4):912-919. -
Alternative Title:Am J Trop Med Hyg
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Description:Poor sanitation could pose greater risk for enteric pathogen transmission at higher human population densities because of greater potential for pathogens to infect new hosts through environmentally mediated and person-to-person transmission. We hypothesized that incidence and prevalence of diarrhea, enteric protozoans, and soil-transmitted helminth infections would be higher in high-population-density areas compared with low-population-density areas, and that poor sanitation would pose greater risk for these enteric infections at high density compared with low density. We tested our hypotheses using 6 years of clinic-based diarrhea surveillance (2007-2013) including 4,360 geolocated diarrhea cases tested for 13 pathogens and a 2010 cross-sectional survey that measured environmental exposures from 204 households (920 people) and tested 701 stool specimens for enteric parasites. We found that population density was not a key determinant of enteric infection nor a strong effect modifier of risk posed by poor household sanitation in this setting.
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Pubmed ID:26856919
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Pubmed Central ID:PMC4824239
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