BEIJING — A total of 28 patients of the novel coronavirus disease (COVID-19) were discharged from hospitals on April 21 on the Chinese mainland, according to the National Health Commission.

Altogether 77,151 patients had been discharged from hospitals after recovery by the end of April 21, the commission said in its daily report on April 22.

As of April 21, 82,788 confirmed COVID-19 cases had been reported on the mainland, and 4,632 people had died of the disease.