Objective: To evaluate a gold-immunochromatographic assay (GICA) for malaria diagnosis in an endemic area of vivax malaria.
Methods: Blood samples were collected from febrile patients in 5 township-hospitals of Mengcheng County, Anhui Province, between September and October 2008. The samples were examined by GICA and microscopy under double blind condition and the results were compared.
Results: Among 292 blood samples, 181 were found P. vivax-positive by microscopy, and 163 were positive by GICA. Altogether, the coincidence of the two methods stood for 92.8% (271/292), including 108 negatives and 163 positives. 21 samples with discrepancy covered 18 microscopy positive but GICA negative, 3 microscopy negative but GICA positive. The GICA positive rate in patients with a parasitaemia of > 1,000 parasites/microl, 100-1,000 parasites/microl, and < 100 parasites/microl was 93.5% (115/123), 86.0% (43/50), and 62.5% (5/8), respectively.
Conclusion: GICA is a useful diagnosis method for endemic area of vivax malaria.
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Int J Mol Sci
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