The U.S. Food & Drug Administration (FDA) now says it needs 75 years — up from the 55 years the agency initially requested — to fully release redacted versions of all documents related to the agency’s approval of Pfizer’s Comirnaty COVID-19 vaccine.

In a legal brief filed Dec. 7, the FDA said 59,000 additional pages of documents, not included in the agency’s earlier filings, need to be processed. The agency did not offer an explanation for why those documents initially were overlooked.