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. 2024 Jan 17;16(1):132. doi: 10.3390/v16010132

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© 2024 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Clade statistics of imported SARS-CoV-2 variants in Xiamen over time. (A) Clade diversity of imported SARS-CoV-2 variants isolated and sequenced from incoming travelers at Xiamen International Airport and the Port of Xiamen entry border between February and August 2023. (B) Clade diversity of local cases isolated and sequenced in Xiamen and deposited from GISAID between February and August 2023. (C,D) The composition of imported (C) and local (D) cases for SARS-CoV-2 variants in Xiamen during the surveillance period. Among all of the local cases detected by Xiamen CDC in 2023, a total of 166 laboratory-confirmed COVID-19 cases were selected for genomic analysis based on high-quality sequencing data through the GISAID database in this study. The inner doughnut represents the composition of the clades. The outer doughnut represents the detailed Pango lineage within each clade.