I had the exact same question. What I could find was this Reuters article [0] which lists nucleotides and special plastic containers as two of the items in sho

I had the exact same question. What I could find was this Reuters article [0] which lists nucleotides and special plastic containers as two of the items in short supply. [0] https://www.reuters.com/business/healthcare-pharmaceuticals/curevac-says-mass-vaccine-rollout-thrown-into-doubt-by-us-restrictions-2021-05-04/ https://www.reuters.com/business/healthcare-pharmaceuticals/...