Kerman University of Medical Sciences International Journal of Health Policy and Management 2322-5939 13 1 2024 12 01 Hoarding Vaccines or Hedging Vaccine R&D Risks? — Motivation for Overbooking COVID-19 Vaccines in High-Income Countries 1 2 4560 10.34172/ijhpm.2024.8350 EN Qi Shao Department of Situation and Policy, Huaibei Normal University, Huaibei, China 0000-0003-1322-9886 Journal Article 2023 11 19 Hoarding Vaccines or Hedging Vaccine R&D Risks? — Motivation for Overbooking COVID-19 Vaccines in High-Income Countries COVID-19 vaccine High-Income Country Overbook https://www.ijhpm.com/article_4560_992d69487f3e111a801fb3f5a0600657.pdf