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?falciparum transmission intensity) to low (altitude http://www.selleckchem.com/products/Bortezomib.html of children admitted with malaria and by an increase in the ratio of cerebral malaria to severe http://www.selleck.cn/products/gdc-0068.html anaemia cases from 0.2 to 1.0 between 1999 and 2007 (O'Meara et?al. 2008). This change in ratio resulted from a fall in the incidence of severe anaemia, not from an absolute increase in the incidence of cerebral malaria. The estimated mortality from malaria of 781?000 in 2009 and 627?000 in 2010 represents a decline from 985?000 in the year 2000 (World Health Organization 2010b). The role of malaria control measures in causing this reduction cannot be assumed, but several lines of evidence point to a causal link between deployment of effective vector control measures (ITNs, insecticides) and effective drugs (ACTs) and declining mortality. Causality is likely when there are strong geographical associations of control measures with improvements, absence of changes in some other causes of death and consistency with predictions of the likely effects of malaria-specific interventions (Steketee & Campbell 2010). Akachi and Atun (2011) estimated that increased coverage with ITN and indoor residual spraying prevented around 240?000 child deaths in sub-Saharan Africa between 2002 and 2008. http://www.selleckchem.com/products/sch772984.html Hospital admissions and deaths, with identification of parasitaemia, provide the most dependable indicators of the likely incidence of severe malaria in a population, and dramatic falls in these events have been recorded in several African countries, notably Sao Tome & Principe, Madagascar, Eritrea, Ethiopia, Zambia and Zanzibar in Tanzania, between 2000 and 2009 (Bhattarai et?al. 2007; Graves et?al. 2008; Teklehaimanot et?al. 2009; Steketee & Campbell 2010). The marked decline in malaria morbidity and mortality in Vietnam during the 1990s was attributed to deployment of artemisinin and improved access to treatment. On the island of Zanzibar, deployment of ACTs in late 2003 was associated with a 75% reduction in malaria-attributable mortality in children under 5?years over the next 2?years (Bhattarai et?al. 2007).
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