With multiple gene drivers you can drive a species to extinction - the power of CRISPR-Cas9 gene drive system is that you can make multiple different drivers easily.<p>Yes you can use gene drivers to create immunity in mosquitos against carrying certain diseases, but that only targets one disease at a time. Better to remove the vector rather than try to make the vector less dangerous.<p>This paper by George Church is a pretty good overview [1].<p>1. <a href="http:&#x2F;&#x2F;biorxiv.org&#x2F;content&#x2F;biorxiv&#x2F;early&#x2F;2014&#x2F;07&#x2F;17&#x2F;007203.full.pdf" rel="nofollow">http:&#x2F;&#x2F;biorxiv.org&#x2F;content&#x2F;biorxiv&#x2F;early&#x2F;2014&#x2F;07&#x2F;17&#x2F;007203.f...</a>