More US hospitals on Tuesday began receiving shipments of the coronavirus vaccine developed by Pfizer Inc. and BioNTech SE, with doctors and nurses being vaccinated for the first time.Pfizer and logistics companies continued distribution of its double-dose vaccine, as they worked to reach the government’s goal of distributing millions of doses to 636 sites across the country by Wednesday.At Loretto Hospital in Chicago, five health-care workers acquired the city’s initial vaccines on Tuesday with Mayor Lori Lightfoot and other officials witnessing closeby. “What we just saw is history in the making,” Ms. Lightfoot stated afterward at a press briefing. “ I got goosebumps watching this take place.”