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- Title
Phylodynamics of a regional SARS-CoV-2 rapid spreading event in Colorado in late 2020.
- Authors
Wade, Kristen J.; Tisa, Samantha; Barrington, Chloe; Henriksen, Jesslyn C.; Crooks, Kristy R.; Gignoux, Christopher R.; Almand, Austin T.; Steel, J. Jordan; Sitko, John C.; Rohrer, Joseph W.; Wickert, Douglas P.; Almand, Erin A.; Pollock, David D.; Rissland, Olivia S.
- Abstract
Since the initial reported discovery of SARS-CoV-2 in late 2019, genomic surveillance has been an important tool to understand its transmission and evolution. Here, we sought to describe the underlying regional phylodynamics before and during a rapid spreading event that was documented by surveillance protocols of the United States Air Force Academy (USAFA) in late October-November of 2020. We used replicate long-read sequencing on Colorado SARS-CoV-2 genomes collected July through November 2020 at the University of Colorado Anschutz Medical campus in Aurora and the United States Air Force Academy in Colorado Springs. Replicate sequencing allowed rigorous validation of variation and placement in a phylogenetic relatedness network. We focus on describing the phylodynamics of a lineage that likely originated in the local Colorado Springs community and expanded rapidly over the course of two months in an outbreak within the well-controlled environment of the United States Air Force Academy. Divergence estimates from sampling dates indicate that the SARS-CoV-2 lineage associated with this rapid expansion event originated in late October 2020. These results are in agreement with transmission pathways inferred by the United States Air Force Academy, and provide a window into the evolutionary process and transmission dynamics of a potentially dangerous but ultimately contained variant.
- Subjects
COLORADO Springs (Colo.); COLORADO; UNITED States Air Force Academy; SARS-CoV-2; INFECTIOUS disease transmission; COMMUNITIES
- Publication
PLoS ONE, 2022, Vol 17, Issue 10, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0274050