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Volume 31, Number 12—December 2025

Dispatch

Bat Reovirus as Cause of Acute Respiratory Disease and Encephalitis in Humans, Bangladesh, 2022–2023

Sharmin Sultana1, Ariful Islam1, James Ng, Sunil Kumar Dubey, Manjur Hossain Khan, Cheng Guo, Mohammed Ziaur Rahman, Joel M. Montgomery, Syed Moinuddin Satter, Tahmina Shirin, W. Ian Lipkin, Lisa Hensley2, and Nischay Mishra2Comments to Author 
Author affiliation: Institute of Epidemiology, Disease Control and Research (IEDCR), Dhaka, Bangladesh (S. Sultana, A. Islam, M. Hossain Khan, T. Shirin); Gulbali Research Institute, Charles Sturt University, Wagga Wagga, New South Wales, Australia (A. Islam); Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, New York, USA (J. Ng, S. Kumar Dubey, C. Guo, W.I. Lipkin, N. Mishra); icddr,b, Dhaka (M.Z. Rahman, S. Moinuddin Satter); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (J.M. Montgomery); Zoonotic and Emerging Disease Research Unit, National Bio and Agro-Defense Facility, USDA Agricultural Research Service, Manhattan, Kansas, USA (L. Hensley)

Main Article

Figure 2

Phylogenic analysis of bat reovirus detected from cases of acute respiratory disease and encephalitis in humans, Bangladesh, 2022–2023. Sequencing of the partial S1 segment showed that Pteropine orthoreovirus from patients in Bangladesh (bold) clustered with 99.3%–100.0% average nucleotide identity (ANI). Bangladesh PRV showed ≈96% ANI with the Indonesia/2010 strain detected from large flying-fox (Pteropus vampyrus) in Indonesia (GenBank accession no. KM279386.1) and ≈85% ANI with the Nachunsulwe-57 strain detected from an Egyptian fruit bat (Rousettus aegyptiacus) in Zambia (accession no. LC619335) in 2018. GenBank accession numbers are indicated for reference sequences. Scale bar indicates nucleotide substitutions per site.

Figure 2. Phylogenic analysis of bat reovirus detected from cases of acute respiratory disease and encephalitis in humans, Bangladesh, 2022–2023. Sequencing of the partial S1 segment showed that Pteropine orthoreovirus from patients in Bangladesh (bold) clustered with 99.3%–100.0% average nucleotide identity (ANI). Bangladesh PRV showed ≈96% ANI with the Indonesia/2010 strain detected from large flying-fox (Pteropus vampyrus) in Indonesia (GenBank accession no. KM279386.1) and ≈85% ANI with the Nachunsulwe-57 strain detected from an Egyptian fruit bat (Rousettus aegyptiacus) in Zambia (accession no. LC619335) in 2018. GenBank accession numbers are indicated for reference sequences. Scale bar indicates nucleotide substitutions per site.

Main Article

1These first authors contributed equally to this article.

2These last authors contributed equally to this article.

Page created: November 24, 2025
Page updated: January 01, 2026
Page reviewed: January 01, 2026
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