Biden and Xi spoke for three hours on Thursday. The two leaders are also reportedly looking into meeting in person.
Steve Ho, a member of Hong Kong's biggest pro-Beijing party, said he tested positive for COVID despite adhering to strict protocols ahead of Xi's arrival.
White House officials have set low expectations for Monday’s virtual meeting.
China's rover will stay in the lander for a few days of diagnostic tests before rolling down a ramp to thr icy Utopia Planitia area on Mars.
The president's campaign has been pushing the "Beijing Biden" theme for months.
In an excerpt of his new book, the former national security advisor details the president's complicated relationship with the Chinese leader Xi Jinping.
The former national security adviser described a meeting last year between the two presidents in his forthcoming tell-all book.
China’s foreign ministry said it calls on India to not take unilateral actions or stir up trouble.
Such a move has long been under consideration but was hastened by months of anti-government protests last year.
For months, the president applauded China’s coronavirus response before he and his reelection team flipped to blaming that country.