Author: Jing Lu; Louis du Plessis; Zhe Liu; Verity Hill; Min Kang; Huifang Lin; Jiufeng Sun; Sarah Francois; Moritz U G Kraemer; Nuno R Faria; John T McCrone; Jinju Peng; Qianling Xiong; Runyu Yuan; Lilian Zeng; Pingping Zhou; Chuming Liang; Lina Yi; Jun Liu; Jianpeng Xiao; Jianxiong Hu; Tao Liu; Wenjun Ma; Wei Li; Juan Su; Huanying Zheng; Bo Peng; Shisong Fang; Wenzhe Su; Kuibiao Li; Ruilin Sun; Ru Bai; Xi Tang; Minfeng Liang; Josh Quick; Tie Song; Andrew Rambaut; Nick Loman; Jayna Raghwani; Oliver Pybus; Changwen Ke
Title: Genomic epidemiology of SARS-CoV-2 in Guangdong Province, China Document date: 2020_4_4
ID: ju9japd8_12
Snippet: In total, approximately 1.6 million tests were performed by 19 th March, identifying 1,388 SARS-CoV-2 positive cases in 20 of 21 prefectures in Guangdong Province ( Figure 1B ). Around a quarter of cases (336) were judged to be linked to local transmission and two-thirds (1014) had a likely exposure history in Hubei (see Methods). For locally-infected cases, 181 (53%) were linked to transmissions among household members. More than half of reporte.....
Document: In total, approximately 1.6 million tests were performed by 19 th March, identifying 1,388 SARS-CoV-2 positive cases in 20 of 21 prefectures in Guangdong Province ( Figure 1B ). Around a quarter of cases (336) were judged to be linked to local transmission and two-thirds (1014) had a likely exposure history in Hubei (see Methods). For locally-infected cases, 181 (53%) were linked to transmissions among household members. More than half of reported cases (60%) were from the cities of Shenzhen and Guangzhou ( Figure 1B ). We note that the number of detected cases will be less than the true number of infections, although the degree of under-reporting is unknown. Surveillance was targeted towards travellers, hence these data may overestimate the proportion of travel-associated cases.
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