Malaria prevalence in north-eastern Nigeria:A cross-sectional study

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Objective:To assess the prevalence of malaria parasitemia in north-eastNigeria and to evaluate the measures for the prevention of malaria.Methods:A village in north-east Nigeria was selected for the cross sectional study at the height of the rainy season inOctober 2011.A total of550 inhabitants of a hamlet were recruited for this study.After obtaining the consent individuals received a structured interview and were tested for malaria parasites in their blood films.Recruits testing positive for malaria were given a course of artemesinin-based combination therapy(ACT).Results:A total of497 inhabitants representing approximately90 percent of the population participated: a quarter of the study group carried malaria parasites-exclusivelyPlasmodium falciparum(P. falciparum)-representing aP. falciparum parasite rate (PfPR) of24.5%.Besides,53/138 in the age group of2 to <10 years old children tested positive for P. falciparum representing aPfPR2-10 value of38.4%.Malaria control measures were used in just under a third(157/497) of this cohort.Despite these measures28/157(17.8%) still tested positive for P. falciparum.Conclusions:The malaria burden is overestimated for this region in north-east Nigeria.The findings support an intermediate patt of malaria endemicity.The30% bed nets coverage for malaria control is well below theWHO estimates for2011.
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