No, Durham Health is saying you have to book at the pharmacy if you got your first shot from the pharmacy. They are not letting us change the administers of our vaccine.
And from my understanding, Durham Health is giving Moderna
You can ignore what Durham Health said, I can assure you that whoever told you that was wrong - to be honest, as things and eligibility changes by the hour, I won't be surprised that some of their staff do not know all the rules.
You use this site:
https://covid-19.ontario.ca/book-vaccine/
And this is what it says on the first page:
When you are eligible for your accelerated second dose, you can return to the same location you got your first dose or book an appointment at another location (even if you already have a second appointment booked).
Once you enter your info at the provincial site above, it would list the clinics that you can go to. As long as they allow you to book, you can get the second dose there.
And you specify which vaccine you got as your first dose, and the provincial site would only list those clinics giving you the same vaccine.
Most of the appointments were snapped up since Monday, so there aren't that many at this point. But listen to the news, they may add thousands of appointments randomly and you may suddenly see a lot of spots not previously available (they just added like 10,000 appointments yesterday).
And the provincial system would allow you to get vaccine at other regions and not restricted to Durham Region, for example, you can book at Scarborough Town Centre, or Metro Convention Center if you don't mind traveling a bit for an earlier dose.
Just scroll down to the bottom and click on "Load More" to see more locations. They won't let you book that particular site if they don't allow it.