President Donald Trump and first lady Melania Trump have tested positive for the coronavirus, he said Friday.

The positive test comes one month before the elections, and after the president has spent the year largely downplaying the threat of the virus.

Trump’s positive test comes just hours after the White House announced that senior aide Hope Hicks had come down with the virus after traveling with the president several times this week. Trump was last seen by reporters returning to the White House on Thursday evening and looked to be in good health.

Trump is 74 years old, putting him at higher risk of serious complications from a virus that has now killed more than 205,000 people nationwide.

“Tonight, @FLOTUS and I tested positive for COVID-19. We will begin our quarantine and recovery process immediately. We will get through this TOGETHER!” Trump tweeted.

In a memorandum, the president’s physician said that the president and first lady “are both well at this time” and “plan to remain at home within the White House during their convalescence.”

“Rest assured I expect the President to continue carrying out his duties without disruption while recovering,” he added.

Trump had announced earlier in an interview with Fox News that he and the first lady were awaiting their results.

The diagnosis marks a major blow for a president who has been trying desperately to convince the American public that the worst of the pandemic is behind them even as cases continue to rise just weeks before the Nov. 3 election. And it stands as the most serious known public health scare encountered by any sitting American president in recent history.

Meanwhile, U.S. Secretary of State Mike Pompeo said he and his wife have tested negative for the coronavirus after they were examined on their airplane 20 minutes prior to landing in Dubrovnik, Croatia, on Friday. He said it was the fourth time in two weeks he has been tested.

Pompeo said the last time he was with Trump was on Sept. 15, at the White House, for the signing of normalization agreements among Israel, the United Arab Emirates and Bahrain. The top U.S. diplomat said he was reconsidering upcoming travel to Florida on Saturday and Asia starting Sunday as a precaution, adding: “We are praying for the president and the First Lady and we hope they have a speedy recovery.”

Symptoms of COVID-19 can include fever, cough and breathing trouble. Most people develop only mild symptoms. But some people, usually those with other medical complications, develop more severe symptoms, including pneumonia, which can be fatal.

In an interview with Fox News host Sean Hannity on Thursday, Trump said he was awaiting results of a COVID-19 test. “Whether we quarantine or whether we have it, I don’t know,” he said, adding that first lady Melania Trump was also awaiting results.

Hicks traveled with the president multiple times this week, including aboard Marine One, the presidential helicopter, and on Air Force One to a rally in Minnesota on Wednesday, and aboard Air Force One to Tuesday night’s first presidential debate in Cleveland.

Trump had consistently played down concerns about being personally vulnerable to contracting COVID-19, even after White House staff and allies were exposed and sickened.