It was already invented [0], but the patents were bought by a small company in New Zealand (some kind of big pharma shell company?) who isn't seriously developing it and now appears to be defunct.
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""" In March 2024 Kimer Med announced it has signed a contract valued at up to USD$750,000 (NZD$1.3 million) with Battelle Memorial Institute (Battelle), the world’s largest independent, nonprofit research and development organization. The contract is focused on the discovery and development of new antiviral drug candidates for the treatment of alphaviruses. """
The miracle of the mRNA covid vaccine and the use of that framework to treat cancer is a good example.
As we wind down research in the US, there will be lots of churn as the market finds new approaches to development.