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BEIJING, March 24 (Xinhua) -- Here are the latest developments on the novel coronavirus disease (COVID-19) in China:

-- Wuhan, the virus-hit city in central China's Hubei Province, will lift outbound travel curbs from April 8.

-- Hubei Province will lift outbound travel restrictions on Wednesday in all areas except the provincial capital Wuhan.

-- The Chinese capital Beijing has demanded all arrivals from overseas to undergo concentrated quarantine and nucleic acid testing (NAT) starting from Wednesday as the number of imported cases of the novel coronavirus disease (COVID-19) continues to increase.

-- Chinese research groups have conducted autopsies on 29 COVID-19 patient bodies and found the novel coronavirus remains in their lungs after death.

-- Many aspects of the novel coronavirus are still unknown and experience is being accumulated in dealing with it, a Chinese medical expert said Tuesday.

-- Shanghai Hongqiao International Airport will suspend all international flights and flights to and from Hong Kong, Macao and the Taiwan from Wednesday.

-- Beijing reported four newly confirmed cases of novel coronavirus disease (COVID-19) from other countries over the past 12 hours by Tuesday noon.

-- Chinese health authority received reports of 78 new confirmed COVID-19 cases on the Chinese mainland on Monday, of which 74 were imported from abroad.

Of the imported cases, 31 were reported in Beijing, 14 in Guangdong, nine in Shanghai, five in Fujian, four in Tianjin, three in Jiangsu, two in Zhejiang and Sichuan respectively. Shanxi, Liaoning, Shandong and Chongqing each reported one case. By the end of Monday, 427 imported cases had been reported.

-- On Monday, seven deaths and 35 new suspected cases were reported on the mainland with all the deaths in Hubei Province.

-- The overall confirmed cases on the mainland had reached 81,171 by the end of Monday, including 4,735 patients who were still being treated, 73,159 patients who had been discharged after recovery, and 3,277 people who died of the disease.

-- One new confirmed COVID-19 case was reported Monday in Wuhan after the former hardest-hit city had seen zero new reports for five consecutive days.

-- The health commission of Hubei Province, of which Wuhan is the capital, said the latest case in Wuhan was the only new COVID-19 case in the central Chinese province Monday. Hubei saw seven new deaths, all of which were in Wuhan.

-- China's Ministry of Civil Affairs said local governments may suspend group Tomb-sweeping Day activities in accordance with their local epidemic prevention and control situation to prevent mass gatherings and reduce cross-infection of the coronavirus.

-- The Jack Ma Foundation and Alibaba Foundation have announced plans to donate a total of two million masks, 400,000 test kits and 104 ventilators to 24 Latin American countries, including Argentina, Brazil, Chile, Cuba, Ecuador, Dominican Republic and Peru.