BEIJING, April 12 (Xinhua) -- Here are the latest developments on the novel coronavirus disease (COVID-19) in China:

-- Senior high schools in Beijing will restart classes for seniors on April 27, who will take the national college entrance exam on July 7-10, said Li Yi, a spokesperson for the Beijing Municipal Education Commission, Sunday.

While students in the final year of junior high schools in the city were told to prepare for returning to school on May 11.

-- The city of Suifenhe, at the China-Russia border in northeast China's Heilongjiang Province, has beefed up prevention against epidemic spread as the number of confirmed COVID-19 cases from overseas continued to rise.

According to the city's emergency headquarters on epidemic prevention and control, Suifenhe has demanded all inbound personnel undergo a fortnight quarantine and two nucleic acid testings and one serum antibody testing in designated facilities, which are put under close-off management.

They are also required to be isolated and put under observation at home for 14 days after leaving the designated facilities.

-- A team of 15 medical experts on Sunday departed from Beijing for Suifenhe to aid the city's fight against imported COVID-19 cases, according to the Chinese Center for Disease Control and Prevention.

As of midnight Saturday, the city had reported 194 confirmed cases and more than 100 asymptomatic coronavirus carriers.

-- The China-Russia border city of Manzhouli in north China's Inner Mongolia Autonomous Region reported 34 new confirmed COVID-19 cases from overseas from 7 a.m. to 4 p.m. Sunday, local health commission said.

All the patients were from Russia via Manzhouli, the largest land port on the China-Russia border.

-- Chinese health authority said Sunday that it received reports of 99 new confirmed COVID-19 cases on the Chinese mainland Saturday, of which 97 were imported.

Two new domestically transmitted cases were reported, both in Heilongjiang Province. No death was reported Saturday.

-- As of Saturday, the mainland had reported a total of 1,280 imported cases. Of the cases, 481 had been discharged from hospitals after recovery, and 799 were being treated with 36 in severe condition.

-- The overall confirmed cases on the mainland had reached 82,052 by Saturday, including 1,138 patients who were still being treated, 77,575 people who had been discharged after recovery, and 3,339 people who died of the disease.

-- On Saturday, 63 new asymptomatic cases, including 12 from abroad, were reported on the mainland. A total of 14 asymptomatic cases, all imported, were re-categorized as confirmed cases, and 55 were discharged from medical observation including four imported cases.

-- No new confirmed cases of the novel coronavirus disease were reported in central China's Hubei Province Saturday.

Hubei had 647 asymptomatic cases under medical observation by Saturday and 20 such cases were reported Saturday.

-- Shanghai reported 52 imported cases of the novel coronavirus disease. Among them, 51 were on the same flight from Russia and another came from Canada.

A total of 92 people in close contact with the confirmed patients on the flight have been screened and put under quarantine.

-- Northeast China's Heilongjiang Province on Saturday reported two new confirmed COVID-19 cases transmitted locally and 21 new confirmed cases from overseas.

All the new imported cases were Chinese nationals returning from Russia. Of them, 14 were previously asymptomatic cases.

-- Guangzhou had reported a total of 119 imported cases of the novel coronavirus disease as of midnight Saturday, said Guangzhou mayor Wen Guohui at a press conference Sunday.

The city had reported 58 cases of asymptomatic infection by Saturday, of which 20 were from overseas.

-- Guangzhou treats all foreign personnel equally and foreign residents should also abide by the local epidemic prevention regulations, officials said at a press conference Sunday.

"We take the same prevention and control measures for all personnel entering Guangzhou regardless of their nationality, race and gender," said Liu Baochun, director of the municipal foreign affairs office. "Guangzhou is an open international metropolis and treats all foreign personnel equally. We oppose all forms of differentiation for a specific group of people."

-- South China's Guangdong Province has demanded all school staff undergo nucleic acid tests before resuming work to lower the risk of novel coronavirus infection.

Guangdong will invite medical staff to instruct all schools to conduct epidemic prevention and control, with each school having at least one medical worker on campus.