>>3397741 PB
Billy is a mosquito freak
https://www.businessinsider.com/bill-gates-melinda-gates-malaria-killing-mosquito-2018-6
Bill Gates donates $4M to create mosquitoes that kill each other using sex
https://www.foxnews.com/science/bill-gates-donates-4m-to-create-mosquitoes-that-kill-each-other-using-sex
Bill Gates once released a swarm of mosquitoes on a crowd to make a point about malaria
https://www.cnbc.com/2017/11/28/bill-gates-released-swarming-mosquitoes-to-make-a-point-about-malaria.html
I seem to remember them using mosquitoes in vaccine research also.