BEIJING — Here are the latest developments on the novel coronavirus (COVID-19) in China:

— A total of 46 new confirmed COVID-19 cases on the Chinese mainland were reported on March 21, of which 45 were imported from abroad.

— Also on March 21, six deaths and 45 new suspected cases were reported on the mainland with five of the deaths reported in Hubei province.

— The overall confirmed cases on the mainland had reached 81,054 by the end of March 21, including 72,244 patients who had been discharged after recovery, and 3,261 people who died of the disease.

— South China's Guangdong on March 22 reported the province's first indigenous COVID-19 case infected by a patient recently returned from overseas.

— Museums across China were asked to collect and preserve representative mementos to record the country's battle against the COVID-19 epidemic.

— The Beijing municipal government has required strengthened nucleic acid testing (NAT) of the COVID-19 for people arriving in the city from other countries.

— Chinese experts in traditional Chinese and western medicines have shared their experience via video call in treating COVID-19 patients with peers from Italy, the United States, Belgium, Japan and the World Health Organization.

— The city of Huanggang, one of the hard-hit cities in the epidemic-stricken Hubei province, has been resuming routine operation of public transport in an orderly manner.