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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DRACO "is a chimeric protein with one domain that binds to viral double stranded RNA (dsRNA) and a second domain that induces apoptosis when two or more DRACOs crosslink on the same dsRNA." (Ridder et al 2011). This article is about packaging mRNA for a set of 10 interferon-stimulated genes that express multiple proteins that target various stages of viral replication.