BEIJING, March 26 (Xinhua) -- Here are the latest developments on the novel coronavirus disease (COVID-19) in China:

-- China's civil aviation regulator issued a circular Thursday to further cut international flights as part of efforts to stem the inflow of COVID-19 cases.

All domestic airlines were allowed to operate only one flight to each country per week, while foreign aviation companies should keep only one air route to China and there should be no more than one flight every week for each of the air route to China, the Civil Aviation Administration of China (CAAC) said in a circular that will be effective from March 29.

-- South China's Guangdong Province has demanded all arrivals from overseas to undergo concentrated quarantine and nucleic acid testing (NAT) starting from 6:00 a.m. Friday in a bid to contain the spread of novel coronavirus.

Travelers from overseas, including Hong Kong, Macao and Taiwan, will be quarantined in designated places for 14 days. The quarantine expenses shall be paid by passengers themselves, according to the office of the provincial epidemic prevention and control headquarters.

-- The 4,000-plus military medical professionals that have rushed to aid the battle against the novel coronavirus in central China's city of Wuhan are sticking to their positions until "a full victory is achieved."

The military medics who came to help Wuhan will remain committed to supporting local authorities in fighting coronavirus, treating patients and carrying out scientific research, said Ren Guoqiang, a Defense Ministry spokesperson.

-- Wuhan will suspend group Tomb-sweeping Day activities to prevent mass gatherings and reduce cross-infection of the novel coronavirus.

All funeral homes, cemeteries and columbaria across the city will not allow gathering activities such as collective public offerings, vigil and tomb-sweeping activities earlier than April 30, according to a circular issued by the city's COVID-19 control headquarters Thursday.

-- China hopes the G20 extraordinary virtual leaders' summit on COVID-19 will reinforce solidarity, cooperation and coordination, and boost the confidence as the world is grappling with the novel coronavirus pandemic, Vice Foreign Minister Ma Zhaoxu said Wednesday.

The summit will be hosted via video by Saudi Arabia, which holds the presidency of the G20 this year.

-- No new domestically transmitted cases of the COVID-19 were reported on the Chinese mainland on Wednesday.

The National Health Commission received reports of 67 new confirmed COVID-19 cases on the Chinese mainland on Wednesday, all of which were imported.

-- Also on Wednesday, six deaths and 58 new suspected cases were reported on the mainland with all the deaths in Hubei Province and all the suspected cases from abroad.

A total of 401 people were discharged from the hospital after recovery, while the number of severe cases decreased by 164 to 1,235.

-- The overall confirmed cases on the mainland had reached 81,285 by the end of Wednesday, including 3,947 patients who were still being treated, 74,051 patients who had been discharged after recovery, and 3,287 people who died of the disease.

-- By the end of Wednesday, 410 confirmed cases including four deaths had been reported in the Hong Kong Special Administrative Region (SAR), 30 confirmed cases in the Macao SAR, and 235 in Taiwan including two deaths.

A total of 106 patients in Hong Kong, 10 in Macao and 29 in Taiwan had been discharged from the hospital after recovery.

-- No new confirmed cases of the COVID-19 were reported Wednesday in Wuhan, the former hardest-hit city in central China's Hubei Province.

-- Commercial flights will resume operations in Wuhan starting on April 8, excluding international flights and those between Wuhan and Beijing, Wang Benju, with the provincial department of transportation, told a press conference on Wednesday.

-- Construction has resumed on 65 airport projects across China, representing more than 80 percent of the country's airport projects under construction, according to the Civil Aviation Administration of China.

-- China has provided assistance to 89 countries and four international organizations to fight against the novel coronavirus.

-- China has issued more than 6,400 force majeure certificates to help companies avoid penalties for not being able to meet contractual obligations amid novel coronavirus outbreak.

-- China's Ministry of Culture and Tourism has signed a cooperation agreement with the Industrial and Commercial Bank of China to bail out the country's cultural and tourism enterprises hit by the novel coronavirus outbreak.

-- China has strengthened international cooperation in the research and development of vaccines against the novel coronavirus disease.

-- China's 2019 Novel Coronavirus Resource database has recorded more than 4 million downloads, providing data service to users from 152 countries and regions in the world.