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71. What Do COVID-19 and Cancer Have in Common?

Freakonomics, M.D.

CHAPTER

Introduction

Vaccines were the first mRNA vaccines ever approved for national rollout. They don't contain virus itself, but genetic information of a special protein that the virus makes. Because mRNA vaccines don't rely on manufacturing actual viruses, they're much easier and cheaper to produce at scale. Incredibly, the mRNA COVID-19 vaccines were developed, tested, and put into people's arms in less than a year.

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