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Despite recent success in reducing the regional incidence of Plasmodium falciparum malaria, cases of zoonotic malaria are on the rise in Southeast Asia. The Cambodian National Malaria Surveillance Program has previously relied on rapid diagnostic tests and blood smear microscopy with confirmatory polymerase chain reaction (PCR) testing in a subset of cases to further distinguish P. falciparum, P. malariae, P. ovale, and P. vivax species. Here, metagenomic next-generation sequencing identified P. knowlesi mono-infection in six Cambodian patients initially diagnosed with P. malariae by blood smear microscopy in February-May 2020. These findings of recent human infections with P. knowlesi in Cambodia led to the incorporation of P. knowlesi-specific PCR diagnostics to national malaria surveillance efforts.
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http://dx.doi.org/10.4269/ajtmh.22-0039 | DOI Listing |
Acta Trop
September 2025
Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand; Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand; Centre for Tropical Medicine and Global Health
Background: The increasing recognition of zoonotic malaria, particularly from Plasmodium species infecting non-human primates (NHP), poses significant diagnostic challenges. Performance of human malaria Rapid Diagnostic Tests (RDTs) has not been evaluated in simian malaria.
Methods: A total of 131 blood samples from NHP hosts with confirmed malaria were analyzed using 14 different commercially available RDTs, detecting the antigens P.
Acta Trop
September 2025
Université Nazi BONI (UNB), Unité de Formation et de Recherche en Sciences de la Vie et de la Terre, Bobo-Dioulasso, Burkina Faso; Institut de Recherche en Sciences de la Santé, Direction Régionale de l'Ouest, Bobo-Dioulasso, Burkina Faso; Institut National Santé Publique, Centre MURAZ, Bobo-Di
An entomological surveillance was carried out in two districts of western Burkina Faso to assess the impact of mass-distributed next-generation long-lasting insecticidal nets (LLINs) (Piperonyl Butoxide (PBO) LLINs and Interceptor® G2) on Anopheles gambiae s.l. populations, focusing on insecticide resistance trends and residual malaria transmission patterns, along with their environmental and operational determinants.
View Article and Find Full Text PDFMol Genet Genomics
September 2025
Department of Biotechnology, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan, 305817, India.
Mosquito reproductive biology is an underexplored area with potential for developing novel vector control strategies. In this study, we investigated the role of the testis-specific serine/threonine-protein kinase (tssk) family, an essential regulator of spermiogenesis in mammals, in mosquitoes. We identified tssk homologues, As_tssk3 and Aea_tssk1, in Anopheles stephensi and Aedes aegypti, respectively and analyzed their expression across different developmental stages.
View Article and Find Full Text PDFInt J Infect Dis
September 2025
Division of Infection and Immunity, University College London, London, United Kingdom; NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London, NW3 OPQ, United Kingdom. Electronic address:
is rapidly expanding across Africa, posing new challenges for malaria control. Its biting time patterns, however, remain poorly characterized, raising uncertainty about the effectiveness of bed nets against this invasive vector. To address this gap, we investigated diel biting activity, feeding propensity, and flight behavior using complementary behavioral assays on females reared from wild-caught larvae in Hawassa City, southern Ethiopia.
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