The Health Ministry has detected two more cases of COVID-19 in Tboung Khmum province, bringing the number of infections to 37.
Around the world, countries are stuck as business continues to soar.
There were eight more deaths in China - all in Hubei - raising the nationwide total to 3,245, according to the commission.
As China reported a drop in new coronavirus cases on Sunday, major cities such as Beijing and Shanghai continued to wrestle with cases of infections in travellers arriving from overseas.
On Wednesday, a day on which health officials reported only a single new case of the virus, Zhong Nanshan, a leading Chinese epidemiologist, recommended his country's aggressive measures in battling the epidemic to other countries now facing the same crisis.
The British government has been criticized for avoiding a complete foreclosure, but has advised people to avoid pubs and restaurants and work from home, among other measures.
Altogether, 69,601 patients were discharged from hospital after recovery.
Meanwhile, businesses and factories across the country are gradually reopening.
The Chinese outlets, which employ about 160 Chinese citizens in the USA, include the official Xinhua News Agency and China Global Television Network, or CGTN, the overseas arm of state broadcaster CCTV.
The NHC said the number of imported cases in China rose to 189 with 34 confirmed cases from the people arriving from overseas.
Elsewhere, infections from what is now a global pandemic continued to rise.
China's recent efforts to fight the epidemic have increasingly focused on inbound travelers, amid concern about a second wave of infections from overseas.
The coronavirus epidemic has now turned the tables, as more people are infected and have died overseas than in China.