The episode aired on 16 July 2021. On 19 November 2021, less than five months later, the FDA amended the Emergency Use Authorizations for the Pfizer-BioNTech and Moderna COVID-19 vaccines so that a single booster dose was authorized for all adults 18 and older, rather than just high‑risk groups. (biopharminternational.com) That same day, the CDC director endorsed ACIP’s expanded recommendations, explicitly expanding eligibility and recommending booster shots for all adults ages 18 and older who had completed an mRNA primary series at least six months earlier. (archive.cdc.gov) This represented a clear shift in U.S. policy and practice from targeted boosters to a general‑population booster recommendation within a short period after July 2021, matching Friedberg’s prediction that “we’re going to need to do a booster very soon for everyone.”