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Abdelraheem M.H.,University of Khartoum | Abdelraheem M.H.,National Center for Research Commission for Biotechnology and Genetic Engineering | Albsheer M.M.A.,University of Khartoum | Mohamed H.S.,University of Khartoum | And 2 more authors.
Transactions of the Royal Society of Tropical Medicine and Hygiene | Year: 2016

Background: Due to the recently observed rise in Plasmodium vivax incidence in Sudan and reported transmission in Duffy-negative individuals; we aimed to assess the possibility of P. vivax transmission in Duffy-negative individuals in Gezira state, central Sudan. Method: A total of 126 suspected malaria patients were diagnosed with P. vivax infection using microscopy, RDT and PCR. PCR-RFLP was used to genotype participants Duffy status. Results: Forty eight (38%) were positive for P. vivax infection by PCR. Four patients (8.3%) were homozygous Duffy-negative. Conclusion: These results confirm that P. vivax can infect Duffy-negative individuals, suggesting alternative mechanisms to bind and invade erythrocytes. © The Author 2016.

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