SARS-CoV-2 has infected more than 167 million individuals globally. Highly effective and safe vaccines are required to accelerate the development of herd immunity to end the pandemic. This review focuses on vaccines that are being developed at unprecedented speed globally and are completing late phase clinical trials to meet this urgent need.

中文翻译：

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开发领先的第一代 SARS-CoV-2 疫苗

SARS-CoV-2 已在全球感染了超过 1.67 亿人。需要高效和安全的疫苗来加速群体免疫的发展以结束大流行。本综述重点关注全球正在以前所未有的速度开发并正在完成后期临床试验以满足这一迫切需求的疫苗。