Neither the company nor the White House has specified the scale of the hack. Microsoft initially said it was limited, but the White House last week expressed concern about the potential for "a large number of victims."
Though concern has grown over variants of the virus, especially those that appear to spread more easily and render current shots less potent, Fauci sounded a hopeful note on whether another surge was coming.
A Quinnipiac poll this month showed nearly 70 percent of Americans support the stimulus package, while a CNBC poll reported 64 percent believe the price tag is sufficient or not even enough. Only 36 percent said it was too much.