Residents wait to see a doctor at a clinic in Shanghai Tongren Hospital on Tuesday. Starting that day, patients no longer have to show a negative nucleic acid test result when entering a hospital, according to the Shanghai Health Commission. Photo: Yin Liqin/China News Service, VCG

A queue winds out of a fever clinic at a hospital in Shanghai’s Huangpu district on Monday. The city’s fever clinics are facing an influx of patients after the sudden reversal of China’s “zero-Covid” policy. Photo: VCG

Residents wait in line at a fever clinic at a community health center in Shanghai’s Changning district on Monday. From Monday, about 2,600 community-level fever clinics have been put into use to meet the rising demand for medical treatment across the city. Photo: Yin Liqin/China News Service, VCG

A senior citizen picks up medicine at a community health center in Changning district on Monday. Photo: Yin Liqin/China News Service, VCG

A passenger sits in a subway station in Shanghai on Tuesday. According to Shanghai Metro, about 4 million subway trips were made on Tuesday, plunging more than 50% from a week ago. Photo: IC Photo

Passengers keep a safe distance apart in an almost empty subway carriage on Tuesday morning in Shanghai. The number of people on streets and subways has dropped significantly in the city due to the spread of Covid. Photo: VCG

A man wearing a face mask looks out a bus window as it passes by the Oriental Pearl Tower in Lujiazui financial district. Photo: Aly Song/IC Photo

A delivery worker crosses a near empty road in Lujiazui financial district on Monday. Photo: Aly Song/IC Photo