The Hill: FDA says Pfizer vaccine supply is up to 40 percent higher than previously thought as vials hold multiple doses
“The Food and Drug Administration (FDA) on Wednesday said that health officials may be able to obtain as many as seven doses of Pfizer’s coronavirus vaccine from vials initially intended to hold just five. Hospital pharmacists had noted the discovery on Twitter and pharmacy message boards this week as front-line health care workers began receiving the vaccine on Monday. On Wednesday evening, the FDA officially released a statement on Twitter, writing that it was aware ‘that some vials of the Pfizer-BioNTech #COVID19 Vaccine have contained extra product after five doses are obtained’…” (Castronuovo, 12/16).

Reuters: Some vaccine doses kept too cold, Pfizer having manufacturing issues, U.S. officials say
“The first days of Pfizer Inc.’s COVID-19 vaccine rollout have seen unexpected hitches including some vaccines being stored at excessively cold temperatures and Pfizer reporting potential challenges in its vaccine production, U.S. officials said on a Wednesday press call…” (O’Donnell et al., 12/16).

Additional coverage of the Pfizer vaccine supply, storage, and manufacturing is available from POLITICO, STAT (2), and Washington Post.