One of the main figures behind the Covax vaccine initiative has questioned why rich countries are ramping up their booster programmes in response to the Omicron variant, insisting the priority should be inoculating the huge number of people worldwide who are still waiting for a first shot.
Covax疫苗倡议背后的主要人物之一，对富国加快其加强针计划以应对Omicron变种的理由提出了质疑，并坚持认为优先事项应该是为全世界仍在等待第一针的大量人群接种疫苗。
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