Evidence map›Paper›PMID 42423796›Full record

ArticleTropical animal health and production2026

Detection and molecular characterization of African swine fever virus recovered from Ornithodoros ticks of the Serengeti Ecosystem, Tanzania.

Baraka M Mbega, Jean N Hakizimana, Ester K Adamson, Mariam R Makange, Julius Keyyu, Hans J Nauwynck, Gerald Misinzo

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Article in Tropical animal health and production, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Baraka M MbegaSACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro, Tanzania. barakamazengo@gmail.com.ORCID http://orcid.org/0009-0008-0042-8900
Jean N HakizimanaSACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro, Tanzania.
Ester K AdamsonSACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro, Tanzania.
Mariam R MakangeSACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro, Tanzania.
Julius KeyyuTanzania Wildlife Research Institute, P.O. Box 661, Arusha, Tanzania.
Hans J NauwynckLaboratory of Virology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke, 9820, Belgium.
Gerald MisinzoSACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro, Tanzania. gmisinzo@sua.ac.tz.

Funding

Regional Scholarship and Innovation Fund (Rsif) of the Partnership for Skills in Applied Science, Engineering and Technology (PASET) RSIF/JIRA/001
6 · The paper itself

Abstract

African swine fever (ASF) is a highly lethal hemorrhagic disease of domestic pigs and Eurasian wild boars, caused by ASF virus (ASFV). In Africa, ASFV is maintained in a sylvatic cycle involving wild suids, primarily warthogs (Phacocherus africanus) and Ornithodoros ticks. Despite ASF outbreaks in Tanzania, the role of the sylvatic cycle in areas with high wildlife-livestock interactions remains understudied. This study aimed to detect and characterize ASFV in Ornithodoros ticks from warthog burrows in the Serengeti ecosystem. Soft ticks were collected from warthog burrows and screened for ASFV using quantitative polymerase chain reaction (qPCR). A total of 1,003 Ornithodoros ticks were collected from 25 burrows and qPCR detected ASFV in ticks from 9 burrows. Conventional PCR targeting the ASFV B646L (p72) gene, intergenic region (IGR) between I73R and I329L genes, and the central variable region (CVR) of the B602L gene was conducted in positive samples. The amplicons were sequenced and used for phylogenetic analysis. Phylogenetic analysis of the nucleotide sequences of B646L (p72) gene showed that the identified ASFV strains clustered within genotype X, which has been previously associated with outbreaks in domestic pigs in Tanzania and neighboring countries. Analysis of the IGR and the CVR of the B602L gene confirmed the high genetic similarity between the detected strains and those linked to previous ASF outbreaks in Tanzania and neighboring countries. The findings of this study highlight the need to prevent virus spillover from the sylvatic cycle for efficient control of the ASF in Tanzania.

Indexed as

African Swine FeverAfrican Swine Fever VirusOrnithodorosAnimalsEcosystemPhylogenyPolymerase Chain ReactionSwineTanzaniaAfrican swine fever virusOrnithodorosPhylogenetic analysisSerengeti ecosystemTicksWarthog burrows

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.