It's hard to disentangle things, as publicly-sector-developed drugs also rely on privately-funded research. For a simple example, an academic or non-profit gro

It's hard to disentangle things, as publicly-sector-developed drugs also rely on privately-funded research. For a simple example, an academic or non-profit group might get reduced cost access to research materials and software. Also, publicly-funded research may have a mix of funding sources, including private philanthropy and for-profit companies.