President Joe Biden received the updated Covid-19 vaccine, according to a memo from White House physician Kevin O’Connor released Saturday.

“As we enter the cold and flu season, the President encourages all Americans to follow his example and to check with their healthcare provider or pharmacist to assure that they are fully vaccinated,” O’Connor wrote in the memo.

The president received the Covid vaccine alongside the annual flu vaccine Friday, O’Connor wrote. First lady Jill Biden experienced “mild symptoms” when she contracted Covid earlier this month. The president tested negative.

The updated shot was approved by the FDA earlier this month and the CDC recommended it for all individuals six months and older — however, the rollout has been rocky.

With the federal government no longer purchasing and distributing the shot, logistical hiccups and confusion over insurance coverage have presented obstacles to people seeking the vaccine.

Covid hospitalization data published by the CDC show that virus levels have surged recently. However, the CDC stopped recording individual cases when the public health emergency ended in May, so the exact number of cases is uncertain.

The White House has also struggled to combat growing anti-vaccine sentiment in a polarized political environment.

Vaccine skepticism is increasingly pronounced in the GOP, polls show. A new POLITICO