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Coronapod: The rise of RNA vaccines

Nature Podcast

CHAPTER

The Challenge of Testing New Vaccines

The challenge now is how do you test these other vaccines and show that they work to a similar degree in a way that's ethical and feasible? You can't really run a p bo control trial for much longer, at least in many of those countries where the vaccines are now available. And each of these platforms, each type of vaccine, has its individual costs and benefits. So there's still a need for other vaccines to be developed using different platforms, to plug the gaps, if you will. But testing new vaccines is becoming more difficult, absolutely.

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