U.K. Covid-19 Vaccine: What You Need to Know About the Immunization Campaign

The U.K. became the first Western country to start inoculating its population with a Covid-19 vaccine developed by Pfizer Inc. and Germany’s BioNTech SE . Maggie Keenan, 90 years old, received the first shot at a hospital in Coventry early Tuesday morning in a program that could provide a taste of the logistical challenges facing other countries, including the U.S., as they prepare to roll out their own large-scale vaccination plans.