Man Made, designed to kill over time many people.
1 in 3 Trillion - bonus points awarded for the COVIDcidence that it "naturally", inject sarcasm, just happened to match a Moderna Patent, out of every other company on the planet.
I'm surprised the (American) origin is still a question for even the cultists - Project DEFUSE is real.
https://www.documentcloud.org/docume...efuse-proposal