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. 2022 Oct 11;12:17046. doi: 10.1038/s41598-022-21481-0

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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(a) SARS-CoV-2 expanded lineage data over time from a cohort of outpatient participants in Los Angeles County and Riverside County, California, May 27, 2021 to September 9, 2021 (n = 503). (b) Total SARS-CoV-2 positivity rates detected in a private laboratory in Los Angeles County and Riverside County, California, May 27, 2021 to September 9, 2021 (n = 503). (c) SARS-CoV-2 lineage data by variant over time from a cohort of outpatient participants in Los Angeles County and Riverside County, California, May 27, 2021 to September 9, 2021 (n = 503). *Lineages with the K417N substitution were replaced by different Delta lineages. Data was smoothed over three consecutive weeks.