Comment on Why Making a Covid Vaccine Is Only the First Hurdle

Why Making a Covid Vaccine Is Only the First Hurdle

In the quest to develop vaccines against Covid-19, researchers have overcome challenges that typically require years, if not decades, to beat. After the first experimental shots produced positive results in late-stage trials -- a huge feat in itself -- drug companies and health officials faced another set of obstacles as they prepared to inoculate hundreds of millions of people around the world.

 

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