Prevalence of malaria infection in Butajira area, south-central Ethiopia

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2012
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Abstract
In 2005, the Ethiopian government launched a massive expansion of the malaria prevention and control programme. The programme was aimed mainly at the reduction of malaria in populations living below 2,000 m above sea level. Global warming has been implicated in the increase in the prevalence of malaria in the highlands. However, there is still a paucity of information on the occurrence of malaria at higher altitudes. The objective of this study was to estimate malaria prevalence in highland areas of south-central Ethiopia, designated as the Butajira area. Using a multi-stage sampling technique, 750 households were selected. All consenting family members were examined for malaria parasites in thick and thin blood smears. The assessment was repeated six times for two years (October 2008 to June 2010). In total, 19,207 persons were examined in the six surveys. From those tested, 178 slides were positive for malaria, of which 154 (86.5%) were positive for Plasmodium vivax and 22 (12.4%) for Plasmodium falciparum; the remaining two (1.1%) showed mixed infections of Plasmodium falciparum and Plasmodium vivax. The incidence of malaria was higher after the main rainy season, both in lower lying and in highland areas. The incidence in the highlands was low and similar for all age groups, whereas in the lowlands, malaria occurred mostly in those of one to nine years of age. This study documented a low prevalence of malaria that varied with season and altitudinal zone in a highland-fringe area of Ethiopia. Most of the malaria infections were attributable to Plasmodium vivax.
Reference Key
woyessa2012malariaprevalence Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Adugna Woyessa;Wakgari Deressa;Ahmed Ali;Bernt Lindtjørn;Adugna Woyessa;Wakgari Deressa;Ahmed Ali;Bernt Lindtjørn;
Journal malaria journal
Year 2012
DOI
doi:10.1186/1475-2875-11-84
URL
http://dx.doi.org/10.1186/1475-2875-11-84
Keywords
Microbiology public health entomology infectious diseases tropical medicine parasitology Microbiology public health entomology infectious diseases tropical medicine parasitology National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't adult female male adolescent aged middle aged young adult Child Infant newborn preschool 80 and over Cross-Sectional Studies Ethiopia / epidemiology malaria seasons prevalence adugna woyessa wakgari deressa bernt lindtjørn falciparum / epidemiology* plasmodium falciparum / isolation & purification pmid:22443307 pmc3383546 doi:10.1186/1475-2875-11-84 blood / parasitology vivax / epidemiology* parasitemia / diagnosis plasmodium vivax / isolation & purification

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