The states are:

Arizona, Colorado, Florida, Georgia, Kentucky, Louisiana, Maine, Massachusetts, Nevada, New Mexico, New York, North Carolina, Pennsylvania, Utah, Virginia and West Virginia, along with the District of Columbia

In the rest of the US, you can get an appointment for the updated vaccine by using the CVS website to schedule one, and checking a box indicating that you have a risk condition. Among other things, being a smoker or being physically inactive count, so you can own up to one of those if questioned.