Not sure if this is really relevant but saw a few posts about mosquitos being modified to transmit diseases. Here is an article that talks about flesh eating bacteria being transmitted by mosquitos in Australia. It wasn't seen much before 2012 then the number of people infected jumped for some reason.
https:// www.theage.com.au/national/victoria/flesh-eating-ulcer-outbreak-exploding-epidemic-in-victoria-20180413-p4z9ig.html