By January 30 , 2020 , before 10:00 UTC , there were less than 8000 SARS-CoV-2 cases , of which under 7,800 were within mainland China .
As of 30 January 2020 ( 02:00 UTC ) , there were 7,783 confirmed cases of infection , of which 7,678 were within mainland China .
Severe acute respiratory syndrome coronavirus 2