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ShareJuly 12, 2010 — In 2007, an estimated 656 million fevers occurred in African children aged 0-4 years, with 78 million children of the 183 million attending a public health care facility likely to have been infected with P. falciparum (range 60-103 million), the parasite that causes the most dangerous form of malaria. These findings come from a modelling system devised by Peter Gething and colleagues from the Malaria Atlas Project, a multinational team of researchers funded mainly by the Wellcome Trust.
These findings, published in PLoS Medicine, are important given international efforts to increase the coverage of artemisinin-based combination therapy (ACT) in public health sectors and the mounting concern that the continued indiscriminate presumptive use of ACT for treating all childhood fevers may lead to resistance to one of the main drug classes currently effective in the treatment of falciparum malaria.
The authors were able to quantify the number of children with fevers who do and do not have malaria by gathering data on paediatric fever prevalence, treatment-seeking rates, and childhood populations and combining this information with a geographical information system model. The authors then assembled data to estimate plausible ranges for the proportion of paediatric fevers seen at clinics positive for P. falciparum in different malaria endemic areas.
This study provides a useful map of the prevalence of malarial and non-malarial childhood fevers across sub-Saharan Africa and an indication of how many of the children with fever reaching public clinics are likely to have malaria and might therefore benefit from ACT. Furthermore, these findings also highlight the potential benefits of introducing rapid diagnostic testing for malaria and can now be used to quantify the resources needed for and the potential clinical benefits of different policies for the introduction of rapid diagnostic testing for malaria across Africa.
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The above story is reprinted from materials provided by Public Library of Science, via EurekAlert!, a service of AAAS.
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Journal Reference:
- Gething PW, Kirui VC, Alegana VA, Okiro EA, Noor AM, et al. Estimating the Number of Paediatric Fevers Associated with Malaria Infection Presenting to Africa's Public Health Sector in 2007. PLoS Med, 2010; 7(7): e1000301 DOI: 10.1371/journal.pmed.1000301
Note: If no author is given, the source is cited instead.
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