An mRNA vaccine with a twist—it copies itself—protects against COVID-19 - Science

Company’s limited data release backs promise of new, lower dose vaccine designed to be easier to distribute and cheaper

A third messenger RNA (mRNA) vaccine appears to have proved its worth against COVID-19. And although it is more than a year behind the Moderna and Pfizer-BioNTech vaccines now seen as gold standards,… [+5733 chars]

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