America’s Vaccine Future Is Fragmenting

Last winter, when vaccines were still incredibly scarce in the United States, Ashish Jha told that he was : By July 4, Jha, the dean of the Brown University School of Public Health, expected enough people to be vaccinated that he could host a backyard barbecue. Indeed, Jha confirmed to me this week, he will be grilling burgers and hot dogs for friends this Fourth of July. He had predicted back in the winter that guests would