Wait, was your combo shot one of each? or two of each? I've been curious to learn more about getting both (already had two Pfizer) but resources on the matter are hard to find
This may sound unhelpful, but if you have good enough organic growth somebody may post it in the subreddit (and many other places) without your prompting
In light of this DMCA, this seems like a site that needs to exist...but I don't know of one? Seems like as trivial a build as anything cryptographic actually