"On the basis of mutual respect, equality and mutual benefit, China stands ready to pursue peaceful coexistence and common development with all countries".
Saudi King Salman bin Abdulaziz Al Saud said on Saturday that 2020 was an "extraordinary" year in light of the "unprecedented shock" caused by the coronavirus pandemic, and Russian President Vladimir Putin emphasised that the world was facing a major economic crisis this year that could be comparable with the Great Depression of the Thirties.
G20 nations must help plug the $4.5bn funding gap in the so-called ACT-Accelerator, Norway's prime minister, South Africa's president, the heads of the European Union and the World Health Organisation demanded in a joint letter to the group.
A day before the summit, U.N. Secretary-General Antonio Guterres said that while $10 billion has been invested in efforts to develop vaccines, diagnostics and therapeutics, another $28 billion is needed for mass manufacturing, procurement and delivery of new COVID-19 vaccines around the world.
Over 57,775,000 people have been hit by the deadly virus while more than 1,376,000 people have died since the pandemic emerged in the central Chinese city of Wuhan previous year.
G20 member states collectively account for 80 percent of the world's Gross Domestic Product (GDP), two thirds of the world's population, and three quarters of global trade.
International Monetary Fund managing director Kristalina Georgieva has warned that the global economy faces a hard road back from the Covid-19 downturn even as vaccines are now in sight. President Trump declined to join COVAX.
With progress being made in developing a vaccine, King Salman said G-20 countries "must work to create the conditions for affordable and equitable access to these tools for all peoples".
The leaders said the global economy was starting to pick up but the recovery remained "uneven, highly uncertain and subject to elevated downside risks". "While containing the virus, we must also stabilize and restore economic growth". "We need to reduce tariffs and barriers, and explore the liberalisation of trade of key medical supplies".
Xi said China has put off debt repayment totaling over US$1.3 billion, pledging that the country will strengthen measures on debt suspension and relief for countries with particular difficulties.
There had been questions as to whether Mr Trump would log into the virtual summit at all, considering he is pre-occupied with disputing Joe Biden's election victory, despite no evidence of voter fraud being uncovered.
China supports the decision on DSSI extension and will continue to work with other parties for its full implementation, he said. "We need to further harmonise policies and standards and establish "fast tracks" to facilitate the orderly flow of personnel", he said.
"We need to show global solidarity", she said.
Keen to be better prepared for any potential next pandemic that might come, G20 leaders also said they would commit "to advancing global pandemic preparedness, prevention, detection, and response" and "to the continued sharing of timely, transparent, and standardised data and information".