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Volume 27, Number 8—August 2021
Research

Transmission Dynamics of Severe Acute Respiratory Syndrome Coronavirus 2 in High-Density Settings, Minnesota, USA, March–June 2020

Nicholas B. LehnertzComments to Author , Xiong Wang, Jacob Garfin, Joanne Taylor, Jennifer Zipprich, Brittany VonBank, Karen Martin, Dana Eikmeier, Carlota Medus, Brooke Wiedinmyer, Carmen Bernu, Matthew Plumb, Kelly Pung, Margaret A. Honein, Rosalind Carter, Duncan MacCannell, Kirk E. Smith, Kathryn Como-Sabetti, Kris Ehresmann, Richard Danila, and Ruth Lynfield
Author affiliations: Minnesota Department of Health, St. Paul, Minnesota, USA (N. Lehnertz, X. Wang, J. Garfin, J. Zipprich, B. VonBank, K. Martin, D. Eikmeier, C. Medus, B. Wiedinmyer, C. Bernu, M. Plumb, K. Pung, K.E. Smith, K. Como-Sabetti, K. Ehresmann, R. Danila, R. Lynfield); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (J. Taylor, M.A. Honein, R. Carter, D. MacCannell)

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Figure 2

Phylogenetic tree of severe acute respiratory syndrome coronavirus 2 genome sequences associated with long-term care facility A, Minnesota, USA, April 15–June 11, 2020. Solid circles represent sequences in samples from residents; open circles represent sequences from samples from healthcare workers. IQ-TREE (29) was used with the general time reversible substitution model for tree generation. Branch lengths were scaled to represent number of single-nucleotide mutations, as shown in the scale. MDH, Minnesota Department of Health.

Figure 2. Phylogenetic tree of severe acute respiratory syndrome coronavirus 2 genome sequences associated with long-term care facility A, Minnesota, USA, April 15–June 11, 2020. Solid circles represent sequences in samples from residents; open circles represent sequences from samples from healthcare workers. IQ-TREE (29) was used with the general time reversible substitution model for tree generation. Branch lengths were scaled to represent number of single-nucleotide mutations, as shown in the scale. MDH, Minnesota Department of Health.

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Page created: May 19, 2021
Page updated: July 18, 2021
Page reviewed: July 18, 2021
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