China said the study was "ridiculous" and based on "superficial" information.

China and India have agreed to work to maintain peace along the Line of Actual Control and resolve the border standoff through talks while implementing the consensus reached between the two countries' leadership that 'differences' do not escalate into 'disputes', a top Chinese official said.

A whitepaper released by the Chinese government gave a lengthy explanation to refute the allegations of cover up and delay by Beijing on reporting the COVID-19 outbreak last year in Wuhan. United States President Donald Trump and leaders of several countries have accused China of not being transparent in reporting the deadly disease, leading to huge human casualties and economic crisis across the world.

Chinese foreign ministry spokesman Geng Shuang told a media briefing in Beijing that "at the moment the situation in the boundary region between China and India is overall stable and controllable".

The incident happened on Thursday at 8.30 am, at Wangfu Town Central Primary School in Wuzhou city, Guangxi Zhuang Autonomous Region. The alleged attacker was a school security guard 50-year-old Li Xiaomin.

Mudanjiang city in China's Heilongjiang province bordering Russia has ordered the coronavirus tests for its 2.8 million people.

According to China's National Health Commission, five imported cases and 10 asymptomatic cases were reported in the country on Monday.

The comments came in the backdrop of the continuing standoff between the militaries of India and China at the LAC.

"We are capable of properly resolving the issues between us through dialogue and consultation. We do not need the intervention of the third party", he said.

China's state-run media said that the leadership of the two countries successfully solved the Doklam standoff in 2017 with 'concerted efforts and wisdom'.

The results of the study, being published on the website of top academic journal Nature on May 20, implied the Huanan Seafood Market in Hubei's capital Wuhan may not be the birthplace of COVID-19, although the virus outbreak emerged in Wuhan had a strong link to contacts with the market.

Foreign ministry spokesman Zhao Lijian, during a media briefing in Beijing, said that China's position on the border related issues is clear and consistent. "We have been following the important consensus reached by the two leaders and strictly observing the agreements between the two countries," he said, apparently referring to the directions of Chinese President Xi Jinping and Prime Minister Narendra Modi after their two informal summits, asking the militaries of the two countries to take more confidence building measures to maintain peace and tranquillity along the borders.

Shi explained that she and a group of researchers obtained samples of coronavirus on December 30 last year and performed high-throughput sequencing of the samples and the isolation of pathogens.

Xi ordered the military to think about worst-case scenarios, scale up training and battle preparedness, promptly and effectively deal with all sorts of complex situations and resolutely safeguard national sovereignty, security and development interests, state-run Xinhua news agency reported, without mentioning any specific issues that posed a threat to the country.

Chian it was open to international efforts to identify the source of the deadly virus.

The hike in the budget is the lowest increment in recent years apparently due to the heavy disruption caused to its economy by the COVID-19, according to the official media.

Zhang Yesui, spokesperson for China's Parliament -- the National People's Congress -- in his media briefing ahead of Friday's annual session also sought to deflect allegations that the virus emerged in Wuhan, saying that the recent reports indicated coronavirus occurred earlier in different parts of the world.

The Chinese action followed 'India's recent, illegal construction of defence facilities across the border into Chinese territory in the Galwan Valley region', a write-up in the state-run Global Times tabloid said, quoting unnamed military sources.

India is among 120 countries which backed the draft resolution put forward by the European Union and several other countries.

China has opened up the country fully after the coronavirus cases declined. The businesses and factories of the world's second-largest economy have fully opened and are functioning.