摘要Severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)continues to pose a significant threat to the world,as it continu-ally evolves and gives rise to multiple variants and sub-variants.Recently,the Omicron EG.5 linage,which was first detected in Indonesia on 17 February 2023,has raised concerns due to its increased prevalence and extended immune escape properties,according to the risk analysis by the World Health Organization(WHO)[1].
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