China on Friday reported another sharp rise in the number of people infected with a new virus, as the death toll neared 1,400.

The National Health Commission said 121 more people had died and there were 5,090 new confirmed cases.

The number of reported cases has been rising more quickly after the hardest-hit province changed its method of counting them Thursday. There are now 63,851 confirmed cases in mainland China, of which 1,380 have died.

Medical staff work in the negative-pressure isolation ward in Jinyintan Hospital, designated for critical COVID-19 patients, in Wuhan in central China's Hubei province Thursday, Feb. 13, 2020. China on Thursday reported 254 new deaths and a spike in virus cases of 15,152, after the hardest-hit province of Hubei applied a new classification system that broadens the scope of diagnoses for the outbreak, which has spread to more than 20 countries. (Chinatopix Via AP)

Medical staff work in the negative-pressure isolation ward in Jinyintan Hospital, designated for critical COVID-19 patients, in Wuhan in central China's Hubei province Thursday, Feb. 13, 2020. China on Thursday reported 254 new deaths and a spike in virus cases of 15,152, after the hardest-hit province of Hubei applied a new classification system that broadens the scope of diagnoses for the outbreak, which has spread to more than 20 countries. (Chinatopix Via AP)

Hubei province is now including cases based on a physician’s diagnosis and before they have been confirmed by lab tests. Of the 5,090 new cases, 3,095 fell into that category.

Medical staff work in the negative-pressure isolation ward in Jinyintan Hospital, designated for critical COVID-19 patients, in Wuhan in central China's Hubei province Thursday, Feb. 13, 2020. China on Thursday reported 254 new deaths and a spike in virus cases of 15,152, after the hardest-hit province of Hubei applied a new classification system that broadens the scope of diagnoses for the outbreak, which has spread to more than 20 countries. (Chinatopix Via AP)

Medical staff work in the negative-pressure isolation ward in Jinyintan Hospital, designated for critical COVID-19 patients, in Wuhan in central China's Hubei province Thursday, Feb. 13, 2020. China on Thursday reported 254 new deaths and a spike in virus cases of 15,152, after the hardest-hit province of Hubei applied a new classification system that broadens the scope of diagnoses for the outbreak, which has spread to more than 20 countries. (Chinatopix Via AP)

Workers deliver meals at the Jinyintan Hospital, designated for critical COVID-19 patients, in Wuhan in central China's Hubei province Thursday, Feb. 13, 2020. China on Thursday reported 254 new deaths and a spike in virus cases of 15,152, after the hardest-hit province of Hubei applied a new classification system that broadens the scope of diagnoses for the outbreak, which has spread to more than 20 countries. (Chinatopix Via AP)

Workers deliver meals at the Jinyintan Hospital, designated for critical COVID-19 patients, in Wuhan in central China's Hubei province Thursday, Feb. 13, 2020. China on Thursday reported 254 new deaths and a spike in virus cases of 15,152, after the hardest-hit province of Hubei applied a new classification system that broadens the scope of diagnoses for the outbreak, which has spread to more than 20 countries. (Chinatopix Via AP)