Trials using single plasma packs began in late 1980. Linked evidence INQY0000338 - Chronological Presentation on the Domestic Supply of Blood Products in England & Wales Appendix 5 The Role of the Single Donor Plasma Pack in Plasma Supply in the 1970s and 1980s - Mar 2022 Chronology Information Date: 1 October 1980 Chapter/issue Blood Products and Addressing Risk: Self-Sufficiency