A novel coronavirus infection was first reported by scientists in Wuhan, China, three years ago. 13 billion shots against COVID-19 have been developed and delivered since that time. Unfair access has tarnished this ground-breaking achievement despite its importance. In order to improve vaccine equity globally, a program has announced that it will concentrate on the world’s poorest countries. As a pandemic blamed for almost 6.5 million deaths enters its fourth year, VOA’s Steve Baragona analyses the global COVID vaccine effort
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