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Volume 28, Number 12—December 2022
Synopsis

Probable Aerosol Transmission of SARS-CoV-2 through Floors and Walls of Quarantine Hotel, Taiwan, 2021

Hsin-Yi Wei, Cheng-Ping Chang, Ming-Tsan Liu, Jung-Jung Mu, Yu-Ju Lin, Yu-Tung Dai, and Chia-ping Su
Author affiliations: Taiwan Centers for Disease Control, Ministry of Health and Welfare, Taipei, Taiwan (H.-Y. Wei, M.-T. Liu, J.-J. Mu, Y.-J. Lin, C.-p. Su); Chang Jung Christian University, Tainan, Taiwan (C.-P. Chang, Y.-T. Dai)

Main Article

Figure 2

Whole-genome sequencing of SARS-CoV-2 from 3 case patients (indicated with red triangles) who contracted COVID-19 in a quarantine hotel in Taipei City, Taiwan, in December 2021 (GISAID with accession ID EPI_ISL_13535670, 13535983, 13536113). Phylogenetic trees were constructed using IQ-TREE software (http://www.iqtree.org/) by maximum likelihood. The phylogenetic analysis with sequences obtained from the United States (1988 viruses), Japan (79 viruses, blue lines), and China (1 virus, red line) sampled from the same timeframe revealed that sequences of the 3 case patients fell into a subclade close to one from the United States. Scale bar for enlarged tree section indicates substitutions per site.

Figure 2. Whole-genome sequencing of SARS-CoV-2 from 3 case patients (indicated with red triangles) who contracted COVID-19 in a quarantine hotel in Taipei City, Taiwan, in December 2021 (GISAID with accession ID EPI_ISL_13535670, 13535983, 13536113). Phylogenetic trees were constructed using IQ-TREE software (http://www.iqtree.org/) by maximum likelihood. The phylogenetic analysis with sequences obtained from the United States (1988 viruses), Japan (79 viruses, blue lines), and China (1 virus, red line) sampled from the same timeframe revealed that sequences of the 3 case patients fell into a subclade close to one from the United States. Scale bar for enlarged tree section indicates substitutions per site.

Main Article

Page created: October 14, 2022
Page updated: November 23, 2022
Page reviewed: November 23, 2022
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