Sen. Cory Booker Cory Anthony BookerSunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election The movement to reform animal agriculture has reached a tipping point Watchdog confirms State Dept. canceled award for journalist who criticized Trump MORE (D-N.J.) has postponed a visit to New Hampshire after getting the flu, according to his presidential campaign.

The New Jersey senator was slated to appear in the early primary state on Friday, but his campaign said in a statement that the trip will be delayed due to illness.

"PRO TIP: get your flu shot! @CoryBooker has come down with the flu & it’s no joke," tweeted campaign manager Addisu Demissie.

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"To save Granite Staters from catching it, the campaign has to reschedule today’s NH trip. Look for us to announce a new date for that soon, as well as trips to 2 other early states later today," Demissie added.

PRO TIP: get your flu shot! @CoryBooker has come down with the flu & it’s no joke. To save Granite Staters from catching it, the campaign has to reschedule today’s NH trip. Look for us to announce a new date for that soon, as well as trips to 2 other early states later today. — Addisu Demissie (@ASDem) December 13, 2019

Booker failed to qualify for the upcoming Democratic primary debate, the first time he has failed to qualify in the 2020 election cycle.

He addressed this in a Thursday tweet, saying, "While I may not be on the debate stage next Thursday, thanks to the outpouring of support over the past few weeks, we know there’s a path to victory, and we no longer need the debate stage to get there."

Booker thus far has struggled to make an impact in polling amid a crowded Democratic field of more than a dozen candidates.