A Limited Spreading Event of COVID-19 Caused by Delta Variant in a Cosmetic Hospital - Yantai City, Shandong Province, China, 2021

Yang Han; Wenkui Sun; Shengyang Zhang; Bin Lin; Jingyu Liu; Runze Lu; Xiaolin Jiang; Jie Lei

doi:10.46234/ccdcw2022.033

A Limited Spreading Event of COVID-19 Caused by Delta Variant in a Cosmetic Hospital - Yantai City, Shandong Province, China, 2021

China CDC Wkly. 2022 Mar 11;4(10):207-210. doi: 10.46234/ccdcw2022.033.

Authors

Yang Han¹, Wenkui Sun¹, Shengyang Zhang¹, Bin Lin¹, Jingyu Liu², Runze Lu³, Xiaolin Jiang¹, Jie Lei¹

Affiliations

¹ Shandong Provincial Center for Disease Control and Prevention, Jinan, Shandong, China.
² Yantai Center for Disease Control and Prevention, Yantai, Shandong, China.
³ Qingdao Center for Disease Control and Prevention, Qingdao, Shandong, China.

Abstract

What is already known about this topic?: Coronavirus disease 2019 (COVID-19) outbreaks in the past were mostly caused by overseas transmission, but if control measures are not appropriately applied, domestic transmission could also cause large-scale local epidemics.

What is added by this report?: This report covers all information of epidemic investigation processes, epidemiological characteristics and exposure history, transmission chains, sequencing results as well as public health measures taken for the COVID-19 cluster epidemic caused by the Delta variant in a cosmetic hospital in Yantai City in August 2021.

What are the implications for public health practice?: The information provided in this report, including active case finding, community management, and mass testing, may assist public health professionals in dealing with local COVID-19 epidemics caused by domestic transmission.

Keywords: COVID-19; Cosmetic Hospital; Delta variant.

Copyright and License information: Editorial Office of CCDCW, Chinese Center for Disease Control and Prevention 2022.

Grants and funding

This work was supported by Shandong Medical and Health Science and Technology Development Plan Project (Grant numbers: 202015021386); the Major Scientific and Technological Innovation Project in Shandong Province (Grant numbers: 2020SFXGFY02-1); Shandong Medical and Health Science and Technology Development Plan (Grant numbers: 2021RZA01021)