Chinese health authorities Tuesday said it received reports of 3,235 new confirmed cases of novel coronavirus infection and 64 deaths on Monday from 31 provincial-level regions and the Xinjiang Production and Construction Corps.
All of the deaths are in Hubei Province, according to China's National Health Commission.
Another 5,072 new suspected cases were reported on Monday, said the commission.
Also on Monday, 492 patients became seriously ill, and 157 people were discharged from hospital after recovery.
The overall confirmed cases on the Chinese mainland had reached 20,438 by the end of Monday, the commission said, noting that a total of 425 people had died of the disease.
The commission added that 2,788 patients remained in severe condition, and 23,214 people were suspected of being infected with the virus.
A total of 632 people had been discharged from hospital after recovery.
The commission said 221,015 close contacts had been traced, adding that among them, 12,755 were discharged from medical observation on Monday, with 171,329 others still under medical observation.
By the end of Monday, 15 confirmed cases had been reported in the Hong Kong Special Administrative Region (SAR), eight in the Macao SAR and ten in Taiwan.