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ORIGINAL ARTICLE
Year : 2010  |  Volume : 3  |  Issue : 1  |  Page : 19-22

Study of hospital based malaria cases in Davangere district of Karnataka, India


1 Department of Microbiology, Yenepoya Medical College, Mangalore, India
2 Department of Microbiology, J.J.M. Medical College, Davangere, India

Correspondence Address:
Kavitha Prabhu
Department of Microbiology, Yenepoya Medical College, Mangalore, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1755-6783.76179

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Background and Objectives : The incidence of malaria worldwide is estimated to be 300 - 500 million cases each year, and in India about 1.5 - 2 million cases have been reported annually. This study has been conducted to identify the present scenario of malaria in the Davangere district of Karnataka, India, from April 2007 to April 2008, and to compare the available diagnostic tests for malaria. Materials and Methods: The present study was conducted at the Department of Microbiology, J. J. M. Medical College, Davangere, from April 2007 to April 2008. A total of 202 malaria suspected cases were examined. All the cases were screened by blood smear examination, both by Leishman's staining and JSB (Jaswant Singh Bhattacharji) staining, and also by the antigen detection method. Results: In our study, a total of 22 cases out of 202 suspected cases were positive for malaria, with an incidence of 10.9%. Out of them 15 (68.2%) were positive for Plasmodium falciparum, four (18.2%) were positive for Plasmodium vivax, and three (13.6%) were positive for both Plasmodium falciparum and Plasmodium vivax. The Malarigen kit detected 20 positive cases compared to the blood smear study, which detected 16 cases. Fourteen cases were detected both by the Malarigen kit and blood smear study. Six cases were positive by the Malarigen kit, but not by the blood smear study. Two cases detected to be positive by the blood smear study were found to be negative by the Malarigen kit. One hundred and eighty cases were negative both by the Malarigen kit and the blood smear study. Conclusion: The incidence of malaria in the present study is 10.9%, which is low when compared to other studies. Malaria more commonly affects the pediatric age group and males, rather than females. Light microscopy is the gold standard, but it requires considerable expertise and time for examination. In comparison, the sensitivity of Malarigen is very close to microscopy and it does not require highly skilled personnel to perform or interpret results. Therefore, Malarigen is a simple, sensitive, and effective diagnostic test for P. falciparum and P. vivax malaria.


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