Coronavirus live updates: Fauci says vaccination push will continue beyond Fourth of July

Anthony S. Fauci, chief medical adviser to the administration, and David Kessler, chief science officer for the covid-19 response, began brainstorming the idea late last year. With remarkably effective vaccines rolling out, their initial focus was on drugs that could make the next pandemic less devastating. But as virus variants emerged and it became clear that even a historic vaccination campaign wasn’t likely to eradicate the coronavirus, they accelerated the deadline.