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Volume 28, Number 3—March 2022
Research

Spatiotemporal Analyses of 2 Co-Circulating SARS-CoV-2 Variants, New York State, USA

Alexis Russell1, Collin O’Connor1, Erica Lasek-Nesselquist1, Jonathan Plitnick, John P. Kelly, Daryl M. Lamson, and Kirsten St. GeorgeComments to Author 
Author affiliations: New York State Department of Health, Albany, New York, USA (A. Russell, C. O’Connor, E. Lasek-Nesselquist, J. Plitnick, J.P. Kelly, K. St. George); State University of New York at Buffalo, Buffalo, New York, USA (C. O’Connor); State University of New York at Albany, Albany (E. Lasek-Nesselquist, K. St. George)

Main Article

Figure 4

Time-calibrated phylogeny of severe acute respiratory syndrome coronavirus 2 variant B.1.1.7, New York and other states, USA, December 2020–April 2021. Left panel represents a maximum-likelihood phylogeny of 1,195 genomes from New York and other states generated in IQTree 1.6.12 (20) with timescale inferred by TreeTime 0.7.6 (22) and ancestral state reconstruction performed in BEAST 2.6.2 (23). The tree was rooted with a P.1 genome (not shown). Faceted panels indicate the source of B.1.1.7 introductions into different regions of New York and other states (domestic). Only introductions supported by an ancestral state probability of >0.7 are shown. Bottom panel shows locations sampled and sample sizes. A, April; J, January; O, October.

Figure 4. Time-calibrated phylogeny of severe acute respiratory syndrome coronavirus 2 variant B.1.1.7, New York and other states, USA, December 2020–April 2021. Left panel represents a maximum-likelihood phylogeny of 1,195 genomes from New York and other states generated in IQTree 1.6.12 (20) with timescale inferred by TreeTime 0.7.6 (22) and ancestral state reconstruction performed in BEAST 2.6.2 (23). The tree was rooted with a P.1 genome (not shown). Faceted panels indicate the source of B.1.1.7 introductions into different regions of New York and other states (domestic). Only introductions supported by an ancestral state probability of >0.7 are shown. Bottom panel shows locations sampled and sample sizes. A, April; J, January; O, October.

Main Article

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Main Article

1These authors contributed equally to this article.

Page created: January 05, 2022
Page updated: February 21, 2022
Page reviewed: February 21, 2022
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