China: Authorities in the central Chinese city of Wuhan on Sunday said they had completed citywide testing of more than 11 million people for Covid-19 after a resurgence of cases more than a year after the coronavirus first came out there.

Over 11.28 million residents have been tested for the novel coronavirus during the citywide testing that commenced on August 3, Li Tao, deputy secretary-general of the Wuhan municipal government, told a press conference on Sunday. The mass testing was launched after new locally transmitted infections emerged among several migrant workers on August 2.

By August 7, Wuhan had registered 37 locally transmitted confirmed cases and 41 asymptomatic carriers in the latest outbreak. Peng Houpeng, deputy director of the municipal health commission, said 9 of the infections were detected in the mass screening of residential compounds under closed-off management, while the other cases were found among quarantined close contacts.

Last year, Wuhan completed an inclusive nucleic acid testing campaign, during which it tested nearly 10 million residents in 19 days The city had not reported any locally transmitted Covid-19 infections for over a year until this latest outbreak.