Vaccine solutions rarely reach the public until after an outbreak abates; an Ebola vaccine was approved 5 years after peak outbreak and SARS, MERS, and Zika vaccines are still in clinical development. Despite massive leaps forward in rapid science, other regulatory bottlenecks are hamstringing the global effort for pandemic vaccines.

中文翻译：

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努力工作还是努力工作？开发 COVID-19 疫苗的监管瓶颈。

在疫情消退之前，疫苗解决方案很少会接触到公众；埃博拉疫苗在爆发高峰后 5 年获得批准，SARS、MERS 和寨卡疫苗仍在临床开发中。尽管快速科学取得了巨大飞跃，但其他监管瓶颈正在阻碍全球大流行疫苗的努力。