Biden has set the stakes for his eight-day trip in sweeping terms, believing the West must publicly demonstrate it can compete economically with China as the world emerges from the coronavirus pandemic.
The southern Chinese city of Guangzhou has shut down a neighborhood and ordered residents to stay home for door-to-door coronavirus testing following an upsurge in infections that has rattled authorities.
President Joe Biden is including rivals Vladimir Putin of Russia and Xi Jinping of China among the invitees to the first big climate talks of his administration.