https://www.businesswire.com/news/home/20220629005833/en/Pfizer-and-BioNTech-Announce-New-Agreement-with-U.S.-Government-to-Provide-Additional-Doses-of-COVID-19-Vaccine
https://www.reuters.com/business/healthcare-pharmaceuticals/us-fda-advisers-meet-discuss-design-future-covid-vaccines-2022-06-28/