Early last week, Nick Semeraro wanted to find a way to honor Anthony S. Fauci. As the owner of a small doughnut shop in Rochester, N.Y., he had been closely tracking the latest news about the coronavirus pandemic. And night after night, he’d been impressed by how Fauci, the director of the National Institute of Allergy and Infectious Diseases, approached the crisis in a calm, knowledgeable manner.