Trump praised Chinese President Xi Jinping on Friday despite having accused China of culpability over the pandemic.
Biden said he worked with former premier Deng Xiaoping on the agreement, which was signed some 19 years after Deng died.
Over 1,370 people have died of COVId-19 since late last year, with all but three fatalities in mainland China.
Trump made the remarks at the White House while speaking at an event with U.S. state governors.
China's handling of the SARS outbreak raised transparency concerns with the new coronavirus outbreak but officials have stood behind China for taking all the necessary steps.
China is currently the epicenter of an outbreak of the new 2019-nCov virus.
Tsai's victory is a clear and loud message to Beijing: the Taiwanese care more about freedom and democracy than anything else. Beijing will try and make them pay, in more ways than one.
Sixty-four percent of respondents said they had "no confidence" in Trump to "do the right thing."
"Where's the Republican leadership in Congress to say 'no'?" Senator Ben Cardin asked in an interview with Fox News Sunday.
"No politicians would be ashamed of making false statements for their own interests," an op-ed by the 'The Global Times argued.
The French president warned that America's withdrawal will not derail the initiative, and said he deplores such a move.
"The president has gotten nothing in terms of the big ticket items," Maria Bartiromo said.
"When the smoke is clear, when there is a sense of calm, the market will react to what's really going on in our economy," Charles Payne said.
"We were bracing for the worst," financial analyst Charles Payne said Monday on the Fox News show "America's Newsroom."
The tenor of U.S. trade negotiations with China has fluctuated, with prior positive overtures failing to lead to any compromise.
The U.S. president has touted his friendship with the Chinese leader, despite the ongoing trade spat between the countries.
The attempts to cast the crisis as random riots and disorder is backfiring. China must consider political reform, for its own and for Hong Kong's sake.
Trump has been reticent to criticize Beijing despite strong condemnations from the State Department and lawmakers from both parties.
"The way forward is genuine democratic elections, not violence in the streets," Taiwanese Foreign Minister Joseph Wu said.
China is far more dependent on trade today than it was during the crackdown on 1989. But Xi also wants to resolve the situation promptly.
Cooper's segment, titled "There's something about a dictator," detailed the president's concerning rapport with the world's most controversial leaders.
The Chinese premier's work was vital in enabling Trump and Kim Jong Un to meet at the border of the two Koreas on Sunday, an editorial argued.
Individuals visiting the booth said they would prefer to use something other than a hammer, apparently in an expression of frustration over the ongoing trade war between the U.S. and China.
Even a flicker of the notion that the leadership was jumping at the behest of a foreign power is politically toxic in China.
Chinese authorities recently blocked Trump confident Michael Pillsbury from visiting Beijing after the U.S. tightened scrutiny on Chinese experts visiting America.
"At this moment, patience is probably the most important thing," the editorial in The Global Times said.
"A focus on personal relationships is important, but it has to be coupled with a hard-nosed business of diplomacy," said William Burns, a former deputy secretary of state.