THE WORLD ECONOMIC FORUM TELLING YOU ALL ABOUT VACCINES IN JUNE 2020
How long does it take to develop a vaccine? | World Economic Forum
"More than 100 studies are under way to find a vaccine for COVID-19. But how long does development usually take? And what are the barriers to success?"
https://www.weforum.org/agenda/2020/06/vaccine-development-barriers-coronavirus/
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