Scientists at Melbourne’s Peter Doherty Institute for Infection and Immunity are working on a Crispr-based treatment — delivered as a nasal spray or injection — that could stop influenza infections by targeting the virus’s RNA and disrupting its ability to replicate inside human cells.
The approach uses the Cas13 enzyme, a lesser-known cousin of the DNA-cutting Cas9, which can be engineered to seek out conserved regions of influenza’s genetic code that are found in…

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