January 09, 2021 15:02 Updated Follow Walk-ins will be difficult to manage because the vaccine requires 2 hours to thaw and must be administered within 6 hours. Related articles What are the steps I need to take to schedule an appointment at a specific site? How can I see the list of vaccine sites? How can I get the link to sign up? How far out can appointments be made? How do I find my site? Is there a map of available vaccination (shot) sites like there is for testing? What is a BMV Connect?