How have the COVID-19 vaccines been developed so quickly?

How have the COVID-19 vaccines been developed so quickly?

These vaccines resulted from a coordinated, global effort to fight #COVID19. Building on prior science, the vaccine research and development, clinical trials, manufacturing, and distribution planning occurred at the same time. This approach removed delays that occur when these processes happen one after the other. Steps to ensure safety were not eliminated. Learn more at: http://bit.ly/3jmo7Hk #CommunityImmunityWV

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