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Epidemiology of mutant Plasmodium falciparum parasites lacking histidine-rich protein 2/3 genes in Eritrea 2 years after switching from HRP2-based RDTs

November 3, 2021 - 20:31 -- Open Access
Mihreteab S, Anderson K, Pasay C, Smith D, Gatton ML, Cunningham J, Berhane A, Cheng Q
Sci Rep. 2021 Oct 26;11(1):21082

Eritrea was the first African country to complete a nationwide switch in 2016 away from HRP2-based RDTs due to high rates of false-negative RDT results caused by Plasmodium falciparum parasites lacking hrp2/hrp3 genes. A cross-sectional survey was conducted during 2019 enrolling symptomatic malaria patients from nine health facilities across three zones consecutively to investigate the epidemiology of P. falciparum lacking hrp2/3 after the RDT switch. Molecular analyses of 715 samples revealed the overall prevalence of hrp2-, hrp3-, and dual hrp2/3-deleted parasites as 9.4% (95%CI 7.4-11.7%), 41.7% (95% CI 38.1-45.3%) and 7.6% (95% CI 5.8-9.7%), respectively.

Retrospective data analyses of social and environmental determinants of malaria control for elimination prospects in Eritrea

March 18, 2020 - 14:30 -- Open Access
Mihreteab S, Lubinda J, Zhao B, Rodriguez-Morales AJ, Karamehic-Muratovic A, Goitom A, Shad MY, Haque U
Parasit Vectors. 2020 Mar 12;13(1):126

The present study focuses on both long- and short-term malaria transmission in Eritrea and investigates the risk factors. Annual aggregates of information on malaria cases, deaths, diagnostics and control interventions from 2001 to 2008 and monthly reported data from 2009 to 2017 were obtained from the National Malaria Control Programme. We used a generalized linear regression model to examine the associations among total malaria cases, death, insecticide-treated net coverage, indoor residual spraying and climatic parameters.

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