Jen Psaki, the White House press secretary, has tested positive for the coronavirus.

The White House did not immediately respond to questions about whether Ms. Psaki had received a booster shot, and did not immediately identify administration officials with whom she had been in close contact earlier in the week.

Biden traveled abroad with a large delegation that included Jake Sullivan, his national security adviser, Antony Blinken, the secretary of state, and various press officials, all of whom have interacted with both White House officials and a large group of journalists traveling with him. President.