Clinic will begin Sunday, Feb. 21 at Dover International Speedway Mass vaccination events are planned to begin Feb. 21 for those who still need a second shot. Appointments will be required. RON MACARTHUR PHOTO Melissa Steele February 17, 2021 Delaware has partnered with the Federal Emergency Management Agency to offer a six-day vaccination event at Dover International Speedway for residents to receive their second COVID-19 shots. “We really want you to take advantage of the FEMA events, the five or six days at Dover International Speedway where we've got plenty of doses for everyone who attended our events,” said Dr. Karyl Rattay, director of the Division of Public Health. “This really is your easiest chance to make sure you get your second dose of the vaccine.”