A citizen bows to a portrait of Li Wenliang outside Wuhan Central Hospital on Friday. Li warned medical colleagues in December to be on the lookout for a highly contagious but unknown virus. Photo: Ding Gang/Caixin

A citizen lays a bouquet at the entrance to a hospital to mourn Li’s death. Photo: Ding Gang/Caixin

People carry bouquets of flowers to Wuhan Central Hospital. Wuhan police questioned Li in the middle of the night and demanded he sign a letter saying he had spread false information. Photo: Ding Gang/Caixin

A woman wipe tears from her eyes while mourning Li’s death. Photo: Ding Gang/Caixin

A citizen straightens a portrait of Li. Photo: Ding Gang/Caixin

Flowers surround a photograph of the doctor, who died after contracting the pneumonia-like disease from a patient. Photo: Ding Gang/Caixin

A man stands in front of the hospital where Li helped treat coronavirus patients in the weeks before his death. Photo: Ding Gang/Caixin