Surveillance and Analysis of SARS-CoV-2 Variant Importation - China, January-June 2022.

Yenan Feng,Xiang Zhao,Zeyuan Yin,Changcheng Wu,Zhixiao Chen,Kai Nie,Ruhan A,Lili Li,Peihua Niu,Ji Wang,Yuchao Wu,Shiwen Wang,Dayan Wang,Wenjie Tan,Huanyu Wang,Xuejun Ma,George F Gao,Cao Chen,Wenbo Xu

China CDC weekly（2022）

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摘要

The Omicron variant showed the intra-Omicron evolution in the first half of 2022, and all of the Omicron subvariants were introduced into the mainland of China multiple times from multiple different locations.

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关键词

Genomic surveillance,Omicron,SARS-CoV-2

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