You might try calling your local pharmacies. They may be able to just make an appointment for you on the spot.
Both have been out of stock for all three vaccines for a while now.
To be honest, I’m not 100% sure I want to get it. Too many lies about this plague for more than a year now. Don’t know who or what to believe.
Our local pharmacies are still “prioritizing teachers” and the elderly/unhealthy only. The counties are the easiest way to get a shot in CA (depending on the county).