Molecular identification of Crimean-Congo haemorrhagic fever virus in Hyalomma rufipes and Amblyomma variegatum in the Upper East Region of Ghana

Seth Offei Addo*, Ronald Essah Bentil, Charlotte Adwoa Addae, Bernice Olivia Ama Baako, Kevin Nii Yartey, Jane Ansah‑Owusu, Christopher Nii Laryea Tawiah-Mensah, Bright Agbodzi, Selassie Kumordjie, Clara Yeboah, Victor Asoala, James C. Dunford, John Asiedu Larbi, Philip Kweku Baidoo, Michael David Wilson, Joseph W. Diclaro, Samuel K. Dadzie*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Sampled ticks were screened for Crimean-Congo haemorrhagic fever virus (CCHFV) using an assay that targets the nucleoprotein gene region of the S segment, a conserved region of the CCHFV genome. Minimum infection rates of 0.34% and 0.10% were obtained when testing pools of Hyalomma rufipes and Amblyomma variegatum, respectively. Next-generation sequencing and phylogenetic analysis showed that the S and L segments of the CCHFV isolate clustered with those of similar isolates of genotype III. However, analysis of the M segment showed that reassortment had occurred, causing this segment to cluster with those of isolates of genotype I, providing the first evidence of such an occurrence in Ghana.

Original languageEnglish
Article number62
JournalArchives of Virology
Volume169
Issue number3
DOIs
StatePublished - Mar 2024
Externally publishedYes

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