Genomic epidemiology of early SARS-CoV-2 transmission dynamics in Bangladesh

L. Carnegie*, J. T. McCrone, L. du Plessis, M. Hasan, M.Z. Ali, R. Begum, M.Z. Hassan, S. Islam, M.H. Rahman, A.S.M. Uddin, M.S. Sarker, T. Das, M. Hossain, M. Khan, M.H. Razu, A. Akram, S. Arina, E. Hoque, M.M.A. Molla, T. NafisaaP. Angra, A. Rambaut, S.T. Pullan, K.L. Osman, M.A. Hoque, P. Biswas, M.S. Flora, J. Raghwani, G. Fournié, M.A. Samad*, S.C. Hill*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Background
Genomic epidemiology has helped reconstruct the global and regional movement of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, there is still a lack of understanding of SARS-CoV-2 spread in some of the world’s least developed countries (LDCs).
Methods
To begin to address this disparity, we studied the transmission dynamics of the virus in Bangladesh during the country’s first COVID-19 wave by analysing case reports and whole-genome sequences from all eight divisions of the country.
Results
We detected>50 virus introductions to the country during the period, including during a period of national lockdown. Additionally, through discrete phylogeographic analyses, we identified that geographical distance and population -density and/or -size influenced virus spatial dispersal in Bangladesh.
Conclusions
Overall, this study expands our knowledge of SARS-CoV-2 genomic epidemiology in Bangladesh, shedding light on crucial transmission characteristics within the country, while also acknowledging resemblances and differences to patterns observed in other nations.
Original languageEnglish
Article number291
Number of pages13
JournalVirology Journal
Volume21
Issue number1
DOIs
Publication statusPublished - 13 Nov 2024

Keywords / Materials (for Non-textual outputs)

  • SARS-CoV-2
  • Phylodynamics
  • Bangladesh
  • Genomic epidemiology

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