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May 5, 2026Malaria JournalOpen Access

Plasmodium vivax infection in Duffy-negative populations in Sudan: a systematic review and meta-analysis of host–parasite genetic adaptation

Mohammed Elfaki Safaa Ahmed Musab M. Ali Albsheer Muzamil Mahdi Abdel Hamid

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Key Points

To synthesize evidence on P. vivax infection prevalence and geographic distribution in Duffy-negative populations in Sudan.
Conducted systematic review and meta-analysis
Evaluated publication bias with funnel plots and Egger's regression test
Assessed studies for risk of bias
P. vivax infections occur in Duffy-negative individuals, challenging previous assumptions
Significant genetic diversity in P. vivax Duffy Binding Protein observed
Most studies indicated low to moderate risk of bias, with no substantial publication bias detected

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Implication

Systematic review reveals P. vivax infection among Duffy-negative individuals in Sudan, implying adaptive mechanisms.

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Cite This Study

Elfaki et al. (2026) studied this question.

synapsesocial.com/papers/69fd7ddcbfa21ec5bbf06213 https://doi.org/10.1186/s12936-026-05923-y

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Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

1Highly conserved Plasmodium vivax genomes in Duffy-negative individuals from Sudan2025 · 1 citations
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