What has changed is mass migration of humans. If a migrants infected with a mosquito-borne disease come to live in a area where the type(s) of mosquitoes that can transmit that disease are present, then ... voila. The mozzies stayed put, but the diseases carrying humans did not.
Example, Zika:
https://www.cdc.gov/zika/reporting/index.html
Looks like the mosquito control efforts were pretty successful here.
Wait...WHAT ?
So,, Billy releases bilions of Mosquitoes
2 Billion GMO Mosquitoes Being Released By EPA – “I’m Sure Government & Bill Gates Have Our Best Interests In Mind”
And now demands we get vaxxed against Mosquitoes ?
Talk about “ drumming up business”.
I am sure the mosquitos wont inect anything like mRNA at all