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A COVID-19outbreak in the city of Shanghai, China began on February 28, 2022,[1] and ended on August 7, 2022.[2] The outbreak was caused by the Omicron variant and became the most widespread in Shanghai since the pandemic began two years prior.[7]Authorities responded with mass COVID-19 testing and a strict lockdown of the city in an effort to uphold China's zero-COVID policy;[8] the latter marked the largest one in the country since the lockdown of Hubei in early 2020.[9] The outbreak caused substantial economic and social disruption across Shanghai with consequences felt elsewhere, and led to the spread of COVID-19 to other parts of China, including Beijing, Guangdong, and Hunan.
^陈婧 (March 10, 2022). "上海疫情持续扩散 一周逾260人染疫 "精准防控"实效受关注" [Shanghai epidemic continues to spread with more than 260 people infected within a week, and the effectiveness of "precision prevention and control" policy is concerned]. Lianhe Zaobao. Retrieved March 10, 2022.
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