COVID vaccine pioneers describe journey to Nobel Prize

STORY: The prize, among the most prestigious in the scientific world, was selected by the Nobel Assembly of Sweden's Karolinska Institute medical university and comes with 11 million Swedish crowns (about $1 million) to share between them.

In 2005, Kariko and Weissman developed so-called nucleoside base modifications, which stop the immune system from launching an inflammatory attack against lab-made mRNA, previously seen as a major hurdle against any therapeutic use of the technology.