BEIJING, April 4 (CNN) - China confirmed 19 new coronavirus cases on Friday -- of which all but one were imported from overseas, according the country's National Health Commission (NHC).

There were also 64 new asymptomatic cases reported, which are counted separately. There are 1,030 such asymptomatic cases under medical observation.

The NHC also reported four new deaths.

This brings the national total to 81,639 cases and 3,326 deaths. According to the NHC, 76,751 patients have recovered and been discharged from hospital.