Residents take nucleic acid tests at a closed management area in Haizhu district of Guangzhou, capital of Guangdong province, on Friday. (Photo by Qiu Quanlin/chinadaily.com.cn)
Standards for designating high-risk areas and those who have close contact with infected people have been updated in Guangzhou, Guangdong province.
A person who has close contact with an infected person refers mainly to one who dines, lives, works, entertains, travels and talks with an infected person, said Zhang Zhoubin, Party secretary of the Guangzhou Center for Disease Control and Prevention, at a news conference on Thursday.
A high-risk area refers mainly to a building in which an infected person shares the entrance or exit with other people.
The goal is to raise the efficiency in implementing epidemiological investigations, realize fast transfer and management of related people, imposing and lifting off the closed-off measure on high-risk buildings quickly, and to minimize the impact of the outbreak on life and work, he said.
The Guangzhou government has been optimizing the COVID-19 control measures to make them more precise and scientific.
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