1. U.S. details global coronavirus vaccine plan, with 25 million doses headed to Asia, Latin America, Caribbean, Africa;Diamond;The Washington Post,2021
2. Global leaders adopt agenda to overcome COVID-19 crisis and avoid future pandemics,2021
3. Vaccinating the world: the obstacles hindering global rollout—and how to overcome them;Newey,2021
4. G20: world powers meet in Rome to boost global vaccine drive,2021
5. U.S. will donate substantial portion of vaccines through COVAX—U.S. official;Guarascio,2021