A White House aide who was traveling abroad with Biden tested positive for the coronavirus.

WASHINGTON — A White House aide who traveled with President Biden to Scotland tested positive for the coronavirus this week and remains in quarantine abroad, according to an administration official who spoke on the condition of anonymity to describe a medical issue.

After taking a lateral stream test, the aide tested positive Tuesday. This was a requirement for attending the United Nations climate summit in Glasgow. The aide has not been diagnosed with Covid-19. According to the official, President Biden was not in close communication with the aide.

The official stated that the aide had taken additional tests but they were inconclusive. The aide is still in Scotland’s quarantine and is awaiting the results of a PCR test.

According to the official, Mr. Biden tested negative for the disease on Tuesday. The president, who is now 78, received a booster shot back in September.

According to the official, Aides who were in close contact the person who tested positive traveled from Scotland to America separately and have since tested negative. The positive case was first reported in Bloomberg.

Sunday Jen PsakiThe White House press secretary, who had to be unable to travel due to a family crisis, claimed that she had tested positive.

“Thanks to the vaccine, I have only experienced mild symptoms, which has enabled me to continue working from home,” Ms. Psaki said on Sunday.

Karine Jean-Pierre, principal deputy press secretary at the White House, was on the trip. Ms. Psaki returned home and went into quarantine. Since then, she has been holding press briefings here at the White House.

A large delegation including Jake Sullivan, his national security adviser and Antony Blinken, the secretary-of-state, accompanied Mr. Biden abroad. The president’s entourage also included several press officials who interacted both with other White House officials and with numerous journalists covering the trip.

After a White House staffer tested positive for the virus in July, Ms. Psaki warnedThe president was informed that there would likely be more breakthrough cases. He also stated that precautions were in place for his safety.