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Volume 31, Number 4—April 2025
Dispatch

Detection of Batborne Hantaviruses, Laos, 2023–2024

Chittaphone Vanhnollat, Somphavanh Somlor, Kristina Dimitrova, Sarah Medina, Khamsing Vongphayloth, Vaekey Vungkyly, Longthor Vachouaxiong, Bounsavane Douangboubpha, Daosavanh Sanamxay, Vilakhan Xayaphet, Phetphoumin Paphaphanh, Watthana Theppangna, Jonathan Audet, Philippe Buchy, and David SafronetzComments to Author 
Author affiliation: Institut Pasteur du Lao People’s Democratic Republic, Vientiane, Laos (C. Vanhnollat, S. Somlor, K. Vongphayloth, V. Vungkyly, L. Vachouaxiong, P. Buchy); National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada (K. Dimitrova, S. Medina, J. Audet, D. Safronetz); National University of Lao People’s Democratic Republic, Vientiane (B. Douangboubpha, D. Sanamxay, V. Xayaphet, P. Paphaphanh); National Animal Health Laboratory Center, Ministry of Agriculture and Forestry, Vientiane (W. Theppangna)

Main Article

Figure 3

Phylogenetic analysis of batborne hantaviruses identified in Laos, 2023–2024, and reference sequences. Maximum-likelihood tree based on 300-bp partial RNA-dependent RNA polymerase sequence of the large (L) segment from LBHV-1–7 (red text) and other hantaviruses. Blue text indicates hantavirus strains from Vietnam. Sequences were aligned by using MAFFT version 7.520 (https://mafft.cbrc.jp/alignment/software) in auto mode. The tree was reconstructed with IQ-TREE version 2.3.2 (http://www.iqtree.org) by using the general time-reversible plus empirical base frequency plus proportion of invariable sites plus discrete Gamma model with default 4 rate categories substitution model, with 1,000 bootstrap replicates. Scale bar indicates nucleotide substitutions per site. LBHV, Lao batborne hantavirus. Additional virus abbreviations are given in the Appendix.

Figure 3. Phylogenetic analysis of batborne hantaviruses identified in Laos, 2023–2024, and reference sequences. Maximum-likelihood tree based on 300-bp partial RNA-dependent RNA polymerase sequence of the large (L) segment from LBHV-1–7 (red text) and other hantaviruses. Blue text indicates hantavirus strains from Vietnam. Sequences were aligned by using MAFFT version 7.520 (https://mafft.cbrc.jp/alignment/software) in auto mode. The tree was reconstructed with IQ-TREE version 2.3.2 (http://www.iqtree.org) by using the general time-reversible plus empirical base frequency plus proportion of invariable sites plus discrete Gamma model with default 4 rate categories substitution model, with 1,000 bootstrap replicates. Scale bar indicates nucleotide substitutions per site. LBHV, Lao batborne hantavirus. Additional virus abbreviations are given in the Appendix.

Main Article

Page created: February 28, 2025
Page updated: March 24, 2025
Page reviewed: March 24, 2025
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