FILE PHOTO: People wearing protective masks are seen at a subway station in Shanghai, China January 23, 2020. REUTERS/Aly Song

BEIJING (Reuters) - China confirmed 830 cases of patients infected with the new coronavirus as of Jan. 23, while the death toll from the virus has risen to 25, the National Health Commission said on Friday.

The virus originated in the central Chinese city of Wuhan in Hubei late last year and has spread to Chinese cities including Beijing and Shanghai, as well as the United States, Thailand, South Korea and Japan.