As I understand it Pfizer announced future booster business as COVID becomes endemic in their call with Barkley’s last spring.<p><a href="https://s21.q4cdn.com/317678438/files/doc_downloads/Transcripts/PFE-USQ_Transcript_2021-03-11.pdf" rel="nofollow">https://s21.q4cdn.com/317678438/files/doc_downloads/Transcri...</a><p>“ what we believe, what I believe is as we move from a pandemic state, from a pandemic situation to an endemic situation, normal market forces, normal market conditions will start to kick in. And factors like efficacy, booster ability, clinical utility will basically become very important, and we view that as, quite frankly, a significant opportunity for our vaccine from a demand perspective, from a pricing perspective, given the clinical profile of our vaccine. So clearly, more to come here. But we think as this shifts from pandemic to endemic, we think there's an opportunity here for us.”