U.S. Government Engages Pfizer to Produce Millions of Doses of COVID-19 Vaccine
手がかりTwitter
https://x.com/the28percent/status/1720236124923396338?s=20
South Africa Pfizer contract 画像
https://www.documentcloud.org/documents/23941524-south-africa-pfizer-contract
原典pdf
https://s3.documentcloud.org/documents/23941524/south-africa-pfizer-contract.pdf