The Democratic National Committee should identify a potential backup candidate for Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE in case a health emergency forces her out of the race, a former head of the party told Politico Monday.

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Don Fowler, who led the DNC from 1995 to 1997 under Bill Clinton William (Bill) Jefferson ClintonGOP brushes back charges of hypocrisy in Supreme Court fight Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE's presidency, called for a contingency plan after Clinton was seen stumbling after a 9/11 memorial event Sunday.

“Now is the time for all good political leaders to come to the aid of their party. I think the plan should be developed by 6 o’clock this afternoon," Folwer told Politico.

He said he expects Clinton to recover from her bout with pneumonia, which forced her to leave an event early Sunday, but that the DNC would be amiss not to consider other options.

“It’s something you would be a fool not to prepare for,” he said.

Clinton aides said Monday she will return to the campaign trail later this week.

The campaign also plans to release more detailed medical records soon.