An ambulance heads to Yingqian village in Shanghai’s Pudong New Area Monday. A day earlier, the northern city of Tianjin reported that another person who works as a cargo handler contracted the novel coronavirus. Photo: Yin Liqin/China News Service

Security workers guard an entrance to Yingqian village which has been locked down after a man living there was confirmed with the coronavirus. Photo: Yin Liqin/China News Service

A woman outside the entrance to Yingqian village hands two bags of meat and vegetables over to a security worker. Photo: Yin Liqin/China News Service

Villagers stand in front of their homes checking the situation outside. Photo: Yin Liqin/China News Service

Barricades have been set up to stop outsiders from entering Yingqian village. Photo: Yin Liqin/China News Service

A notice advises the road to Yingqian village is closed. More than 8,700 people related to the new Covid-19 case had received nucleic acid tests, all of whom tested negative, local authorities reported Tuesday morning. Photo: Yin Liqin/China News Service