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Disease Surveillance
; 37(6):740-744, 2022.
Article
in Chinese
| GIM | ID: covidwho-2055477
ABSTRACT
Objective: Taking the three outbreaks caused by Delta variant (B.1.617.2) in Guangzhou, Guangdong Province, Nanjing, Jiangsu Province and Zhengzhou, Henan Province as examples, to explore different transmission pattern of SARS-CoV-2 epidemic and to provide basis for scientific prevention and control.