BEIJING — China has stepped up efforts to curb the spread of the novel coronavirus. Here are the latest developments:

— China reported 2,009 new confirmed cases of novel coronavirus infection and 142 deaths on Feb 15 from 31 provincial-level regions and the Xinjiang Production and Construction Corps.

Among the deaths, 139 were in Hubei province, the epicenter of the novel coronavirus outbreak, two in Sichuan, and one in Hunan.

China's daily new confirmed cases of the coronavirus disease outside Hubei have been dropping for 12 consecutive days.

— The overall confirmed cases on the Chinese mainland had reached 68,500 by the end of Feb 15, and 1,665 people had died of the disease.

A total of 11,272 patients remained in severe condition, and 8,228 people were suspected of being infected with the virus.

— Hubei province reported 1,843 new confirmed cases and 139 new deaths on Feb 15.

It brought the total confirmed cases in the hard-hit province to 56,249 cases. Wuhan, the provincial capital, recorded a total of 39,462 confirmed cases.

— The proportion of severe and critical cases of the novel coronavirus disease among all confirmed cases has decreased significantly in China.

In Wuhan, the proportion of severe cases among the confirmed cases fell from a peak of 32.4 percent on Jan 28 to 21.6 percent on Feb 15.

The proportion in other parts of Hubei province dropped from a peak of 18.4 percent on Jan 27 to 11.1 percent on Feb 15.

The percentage in other provinces in China also decreased significantly, falling from a peak of 15.9 percent on Jan 27 to 7.2 percent on Feb 15.

— A new rapid testing kit for novel coronavirus was developed by China's State Key Laboratory of Respiratory Disease.

Authorities in charge of the laboratory claimed the test results can be shown within 15 minutes after collecting a drop of blood.