Modernaâs Coronavirus Vaccine Begins Arriving at Strained Hospitals Across the U.S. Last Updated Jan. 15, 2021, 4:15 p.m. ETJan. 15, 2021, 4:15 p.m. ET A variant of the virus that is spreading in Britain has prompted countries to bar travelers from there. Some U.S. governors are also pushing for restrictions. This briefing has ended. Follow our The Moderna Covid-19 vaccine arrived at sites across the country Monday. Yanitza Reeves, a medical worker, received one of the first doses at Christ Hospital in Jersey City, N.J.Credit...Bryan Anselm for The New York Times Just one week after the first doses of a coronavirus vaccine were administered in the United States, a new batch of vaccines fanned out across the country on Monday, an urgently needed expansion of a vaccination effort that is expected to reach vulnerable populations and rural areas where hospitals are strained as soon as this week.