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ARTICLE
Year : 2004  |  Volume : 9  |  Issue : 2  |  Page : 104-106

Effect of Malaria infections on widal agglutinin level


Department of Microbiology, University of Nigeria Teaching Hospital, Enugu, Nigeria

Correspondence Address:
MB; BS, FMCPath M E Ohanu
Department of Microbiology, University of Nigeria Teaching Hospital, Enugu
Nigeria
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Source of Support: None, Conflict of Interest: None


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Aim: To determine any relationship between Malaria infections and Widal agglutinin level. Patients and Methods: Three hundred and thirty adult patients attending various clinics at University Of Nigeria Teaching Hospital between September 2000 and May 2001 first confirmed of malaria parasitaemia also had Widal agglutinin levels checked. Similar thing was done for 200 healthy individuals who have not suffered malaria or any pyrexial illness in the past two months used as control. The level of malaria parasitaemia was determined by microscopy of Giemsa stained thick and thin blood films, while Widal agglutinin titres were determined by using both slide and tube dilution methods. Results: In the study population, 134 (41%) with malaria parasitaemia had Widal agglutinin above 1:80 and females (57%) were more affected. The study showed that 313 (95%) of the patients had parasitic load of 1+ and 2+ occurring frequently while 13 (4%) had parasitaemia of 3+. In the control group 96 (48%) had Widal agglutinin of 1:80 and none exceeded this level, while only 10 had parasitaemia of 1+. Conclusions: There exist an influence of malaria on Widal agglutinin level χ2 = 110.6, P<0.0001), but the levels were not necessarily dependent on parasitic load of plasmodia in the blood. Malaria must first be properly treated even in cases of high agglutinin levels, while in suspected enteric fever, bacteriologic proof must be sought through blood, urine or stool cultures.


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