Volume 26, Number 6—June 2020
Dispatch
Community Transmission of Severe Acute Respiratory Syndrome Coronavirus 2, Shenzhen, China, 2020
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Jiaye Liu1, Xuejiao Liao1, Shen Qian, Jing Yuan, Fuxiang Wang, Yingxia Liu, Zhaoqin Wang, Fu-Sheng Wang, Lei Liu
, and Zheng Zhang
, and Zheng Zhang Abstract
Since early January 2020, after the outbreak of coronavirus infection in Wuhan, China, ≈365 confirmed cases have been reported in Shenzhen, China. The mode of community and intrafamily transmission is threatening residents in Shenzhen. Strategies to strengthen prevention and interruption of these transmissions should be urgently addressed.
In December 2019, an outbreak of a novel coronavirus infection (COVID-19), occurred in Wuhan, China (1). Although China launched an emergency response early in the outbreak, the infection rapidly spread to metropolitan areas in China and around the world. The growing number of cases suggests that the epidemic has continued to spread. Several research articles have reported the epidemiologic characteristics of the outbreak in Wuhan and Hubei Province (1–4); however, to our knowledge, an analysis of the epidemic in metropolis areas around Wuhan has not yet been reported. To predict the epidemic trend and guide control measures, especially in similar metropolitan areas, outbreak investigations are needed.
Shenzhen, a modern and international metropolitan city, is located in southern China (Appendix Figure 1) and has a population of 13 million persons, among which >1 million are from Hubei Province and >70,000 from Wuhan. After the first cluster of COVID-19 cases was confirmed in Shenzhen in early January 2020 (5), other cases spread within the city, involving all districts. To summarize the epidemiologic characteristics and provide updated information to aid in the development of control measures, we analyzed data for the first 365 laboratory-confirmed cases of COVID-19 in Shenzhen
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