Dozens of COVID-19 cases have been reported at two veterans care centers in Virginia.
"We've got a vaccine against starvation. It's called food," said David Beasley, executive director of the World Food Programme.
His doctor said the president can hold "public engagements" starting Saturday.
Louisiana has been hit particularly hard during the 2020 hurricane season.
The United Nations' World Food Program has won the Nobel Peace Prize for its efforts to combat hunger and food insecurity around the globe
The town hall will be hosted by ABC News Chief Anchor George Stephanopoulos in Philadelphia.
For the second night in a row, protests erupted in Brooklyn, New York, on Wednesday, the day before new restrictions in COVID-19 hot spots went into effect.
House Speaker Nancy Pelosi on Thursday threw cold water on the prospects for a standalone relief bill for airlines the White House wanted.
GOP Sen. Marsha Blackburn, who attended the White House Rose Garden event two weekends ago, on Thursday defended her decision not to wear a mask on ABC's "The View."
President Donald Trump insulted Sen. Kamala Harris as a "monster" and a "communist" in a Fox Business interview the morning after the vice presidential debate.