Two indoor stadiums in Shanghai – one in Minhang District and the other in suburban Jiading District – are under renovation to become central quarantine sites for the city's surging COVID-19 cases, according to the Shanghai Health Commission.They are being renovated to house positive cases with mild symptoms and asymptomatic infections, said Wu Jinglei, director of the commission."\\;The city has made work plans and resource reservations to build or convert eligible sites, such as stadiums and conference centers, into central quarantine sites for asymptomatic cases and those with mild symptoms,"\\; Wu told a press briefing on Wednesday.