In hindsight, perhaps the most telling exchange during Tuesday night’s presidential debate came when the moderator, Fox News anchor Chris Wallace, asked the two septuagenarian candidates about their differing approaches to campaigning amid a viral pandemic. Donald Trump had just finished mocking Joe Biden’s caution: “Every time you see him, he’s got a mask.” But Wallace had a question for the president. Why, he asked, was Trump still holding in-person rallies?

“Well, so far we have had no problem whatsoever,” Trump replied, pointing out that the rallies are outdoors. “We’ve had no negative effect.”

This was false. The first rally Trump held to resume his campaign following the Covid outbreak was indoors, in Tulsa—three weeks before a surge of cases that the city’s top health official said was probably linked to the event. At least one attendee, the conservative activist Herman Cain, died of the virus a month later, though he may have caught it elsewhere. Strangely, neither Biden nor Wallace pressed Trump on his claim. Cain’s name went unmentioned.

We now know that Trump himself may have been infected, and infectious, even as he defended his behavior from the debate stage. Late Thursday night we learned that he had tested positive for the coronavirus. The story began with Hope Hicks, one of Trump’s most trusted advisers, who reported feeling ill during a Wednesday Trump rally in Minnesota and tested positive sometime between then and Thursday evening. According to Bloomberg News, which broke the story, the White House had planned to keep Hicks’s infection a secret, and only acknowledged it after the news was out. Even after Hicks, who had traveled with Trump on Air Force One, tested positive, the president carried on with his normal schedule, including a campaign fundraiser at his New Jersey golf club. According to the New York Times, no one contacted the Biden campaign after Trump tested positive, despite the two candidates having been onstage together days earlier.

The administration’s immediate response to its own coronavirus outbreak was, in other words, a microcosm of its response to the broader pandemic: carry on with business as usual, hope it goes away on its own, and conceal the extent of the problem. For the American public, this opens up a daunting new phase of the Covid information war. The White House’s communication will likely be opaque at best, if not actively misleading. Into the vacuum of trustworthy information will flow all manner of false rumors. Already, baseless speculation swirls online among Trump’s supporters and opponents alike that the president is faking the illness.

This means we are witnessing the ultimate convergence of Trump’s public and private posture toward the pandemic. Since March, the central debate in US politics has been over the consequences of the administration’s feeble policy response to Covid-19. Now a new question grips Washington, and every other community where the president and his staff have recently traveled: How many people has Trump personally exposed to the virus through his own cavalier behavior?

Biden tested negative on Friday morning. Several people in Trump’s orbit, however, have already received positive diagnoses, including Utah Senator Mike Lee and Republican National Committee chair Ronna McDaniel. They were among the many guests at last weekend’s Rose Garden ceremony for Amy Coney Barrett, Trump’s new Supreme Court nominee. The event was outdoors, but featured abundant up-close gladhanding. On Friday afternoon, the University of Notre Dame announced that its president, John Jenkins, who was criticized for attending without wearing a mask, had tested positive and was quarantining. The ceremony has the early makings of a super-spreader event, though it’s far too soon to jump to that conclusion.