The coronavirus has been ripping through the White House, infecting top Trump officials, U.S. senators, journalists, and even family members. Following President Trump’s diagnosis on Friday, we’ve come to learn of at least 20 infections linked to the administration’s outbreak. But the numbers are likely higher, as we have not heard about the results of testing among the White House’s household staff and other employees. And because of the nature of Covid-19’s incubation period, it’s also possible we’ll learn of more high-profile cases in the coming days. Those who’ve tested negative after coming into contact with the president and his staff are not in the clear, even as they…