Background: Dengue virus (DENV) and malaria parasites (MP) are among the common febrile diseases affecting the tropics and subtropics of the world. Both are mosquito-borne pathogens affecting humans and other animals.
Methods: Blood samples were collected from 280 consented out-patients attending the selected hospitals and were analyzed. Malaria parasites were detected using microscopy and Malaria Ag Pf/Pan Rapid Test Device. Dengue virus was detected by serology and heminested reverse transcriptase PCR (hnRT-PCR) to target the flavivirus polymerase (NS5) gene.
Results: Malaria parasites recorded a total positivity of 151 patients (53.9%) using microscopy, while DENV antibodies (DENV IgM and DENV IgG) were positive in 16 (5.7%) and 39 (13.9%) patients, respectively. There was a concurrent infection between MP/DENV IgM in 13 (4.6%) patients and MP/DENV IgG in 27 (9.6%) patients. Molecular identification revealed DENV serotype 2 in circulation.
Conclusion: This study documents molecular evidence of dengue virus coexisting with malaria parasites in the study population, hence the need for efficient surveillance and control system.
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http://dx.doi.org/10.1097/j.pbj.0000000000000249 | DOI Listing |
Turkiye Parazitol Derg
January 2025
Hatay Mustafa Kemal University Faculty of Medicine, Department of Parasitology, Hatay, Türkiye.
The study presents two imported malaria cases with a history of travel to malaria-endemic areas and replied late response to treatment. In the blood preparations of the first case, dot-shaped nucleus structures were identified in the erythrocytes, which looked different from the classical erythrocytic forms. In the SD-Pf/Pan test, bands were obtained for both P.
View Article and Find Full Text PDFParasitology
January 2025
Swiss Tropical and Public Health Institute, University of Belgrade, Allschwil, Switzerland.
Nucleic Acids Res
January 2025
The Laboratory for Molecular Infection Medicine Sweden, Umeå University, Försörjningsvägen 2A, 901 87 Umeå, Sweden.
Many Plasmodium genes remain uncharacterized due to low genetic tractability. Previous large-scale knockout screens have only been able to target about half of the genome in the more genetically tractable rodent malaria parasite Plasmodium berghei. To overcome this limitation, we have developed a scalable CRISPR system called P.
View Article and Find Full Text PDFMalar J
January 2025
Caribbean Centre for Research in Biosciences, Natural Products Institute, University of the West Indies, Kingston, Jamaica.
Background: Synergists reduce insecticide metabolism in mosquitoes by competing with insecticides for the active sites of metabolic enzymes, such as cytochrome P450s (CYPs). This increases the availability of the insecticide at its specific target site. The combination of both insecticides and synergists increases the toxicity of the mixture.
View Article and Find Full Text PDFMalar J
January 2025
West African Centre for Cell Biology of Infectious Pathogens, Accra University of Ghana, Volta Rd, Accra, Ghana.
Background: Malaria remains a leading cause of death worldwide, claiming over 600,000 lives each year. Over 90% of these deaths, mostly among children under 5 years, occur in sub-Saharan Africa and are caused by Plasmodium falciparum. The merozoites stage of the parasite, crucial for asexual development invade erythrocytes through ligand-receptor interactions.
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