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1.
Malar J ; 5: 28, 2006 Apr 04.
Artigo em Inglês | MEDLINE | ID: mdl-16584575

RESUMO

BACKGROUND: The thinking behind malaria research and control strategies stems largely from experience gained in rural areas and needs to be adapted to the urban environment. METHODS: A rapid assessment of urban malaria was conducted in Dar es Salaam in June-August, 2003 using a standard Rapid Urban Malaria Appraisal (RUMA) methodology. This study was part of a multi-site study in sub-Saharan Africa supported by the Roll Back Malaria Partnership. RESULTS: Overall, around one million cases of malaria are reported every year by health facilities. However, school surveys in Dar es Salaam during a dry spell in 2003 showed that the prevalence of malaria parasites was low: 0.8%, 1.4%, 2.7% and 3.7% in the centre, intermediate, periphery and surrounding rural areas, respectively. Health facilities surveys showed that only 37/717 (5.2%) of presenting fever cases and 22/781 (2.8%) of non-fever cases were positive by blood slide. As a result, malaria-attributable fractions for fever episodes were low in all age groups and there was an important over-reporting of malaria cases. Increased malarial infection rates were seen in persons who travelled to rural areas within the past three months. A remarkably high coverage of insecticide-treated nets and a corresponding reduction in malarial infection risk were found. CONCLUSION: The number of clinical malaria cases was much lower than routine reporting suggested. Improved malaria diagnosis and re-defined clinical guidelines are urgently required to avoid over-treatment with antimalarials.


Assuntos
Febre/epidemiologia , Malária Falciparum/epidemiologia , Parasitemia/epidemiologia , Plasmodium falciparum/isolamento & purificação , Adolescente , Animais , Criança , Pré-Escolar , Estudos Transversais , Geografia , Inquéritos Epidemiológicos , Humanos , Lactente , Recém-Nascido , Prevalência , Tanzânia/epidemiologia , População Urbana
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