Amebiasis

Othman, Nurulhasanah; Ujang, Jorim Anak; Ng, Yee Ling; Kumarasamy, Gaayathri; Noordin, Rahmah

doi:10.1016/b978-0-12-821202-8.00001-3

Cited by 2 publications

(2 citation statements)

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“…Entamoeba histolytica relies on humans as primary (if not single) host(Othman et al 2020). Exposure to Eh is initiated by the ingestion of water and food contaminated with environmentally resistant cysts.…”

Section: Introductionmentioning

confidence: 99%

“…After an incubation period of 7 to 15 days, about 10-20% of exposed hosts present symptoms(Moonah et al 2013). The symptoms of Eh are caused by the presence of trophozoites in the intestinal tract of the host(Chalmers 2014), and 80-90% of asymptomatic infections contribute cysts to the environment(Othman et al 2020). An infected individual can generate and eliminate into the environment approximately 105 environmentally resistant cysts per gram of fecal material(Haque et al 2003).…”

Section: Introductionmentioning

confidence: 99%

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The unapparent effect of climate forcing on urban amoebiasis in Mexico City

Baeza

Santos-Vega

Escalante

et al. 2021

Preprint

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Despite advances in the provision of sanitation infrastructure in cities, diarrheal-related illnesses continue to be a global burden. In cities of the developing world, explanations for the persistence of diarrheal-related diseases revolve around the role of sanitation, poverty, and individual behavior. Less is known about the role of climate in forcing the inter-annual variability of transmission. We quantified the contribution of rainfall to the transmission of a diarrhoeal disease caused by the protozoan Entamoeba histolytica. We formulated a process-based model of the population dynamics of Entamoeba histolytica in 6 municipalities of Mexico City, and we reconstructed the interannual variability of the observed cases of amebiasis between 2005 and 2012. Using inference methods for non-linear systems, we estimated that 10% of the susceptible individuals were infected in early 2005 and 90% of those infections were causally related to the exposure to the environmental stage of the pathogen after rainfall events. The magnitude of these results underscores the importance of considering the interaction between climate forcing and water management as ecological determinants of health in megacities.

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Section: Introductionmentioning

confidence: 99%