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Letter to the editor: Epidemiology of the SARS-CoV-2 variant Omicron BA.2 – vigilance needed |
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| Authors: | Jing Huang Guangting Zeng |
| Affiliation: | 1.Jianghua Center for Disease Control and Prevention, Yongzhou, China; 2.The First People’s Hospital of Chenzhou, University of South China, Chenzhou, China |
| Abstract: | |
| Keywords: | SARS-CoV-2 COVID-19 variant of concern Omicron BA.2 BA.1 |