South Korea's food and drug safety ministry granted final approval for the J&J product in April, after signing a deal to import the vaccine for 6 million people, though the date for their shipment has not been finalised.
This is because available stocks amount to just 529,000 doses of Pfizer's vaccine and 381,000 doses of the AstraZeneca product, an agency official told Reuters.
Biden held his first summit with Japanese Prime Minister Yoshihide Suga at the weekend and will meet with South Korean President Moon Jae-in next month.
The pullout will "free up time and attention and resources from our senior leadership and our military to focus on what we believe are the fundamental challenges in the 21st century and they lie fundamentally in the Indo-Pacific," the official said.
"Our industry is on course to suffer annihilating damage, just with people's concerns about a possible radioactive contamination of marine products," it said in a statement.
But ultimately no progress was made towards Washington's declared aim of denuclearising North Korea, with a second summit in Hanoi in early 2019 breaking up without an agreement and Pyongyang still under multiple international sanctions for its banned weapons programmes.
Biden has said a response to climate change will create new jobs, while Moon has introduced his ambitious Green New Deal aimed at economic recovery from the coronavirus fallout.
The Korea Disease Control and Prevention Agency reported 467 new cases by Tuesday, as numbers rebounded above 400 in four days, boosted by continuing cluster infections.
Moon said the issue of joint South Korea-US military drills, which Pyongyang has long condemned as a rehearsal for war, can be discussed by reviving an inter-Korean military panel.
Seoul and its surrounding areas have banned gatherings of more than four people from Dec. 23 to Jan. 3, and both restaurant owners and patrons may face up to 3 million won ($2,700) in fines for violation of the order.
He said that measures to boost exports and investments should be further bolstered at a time when domestic demand and consumption are shrinking due to a worsening COVID-19 situation at home.
The resurgence of infections has rekindled concerns about an acute shortage of hospital beds, prompting Seoul city to begin installing container beds for the first time since the start of the pandemic.
The visit may be the last for Biegun in his current role, after Trump lost his bid for reelection to Democratic challenger Biden, who will take office in January.
Moon said testing sites should operate longer hours to allow people working to get tested at their convenience and more drive-through testing facilities should be set up, Chung said.