High lethality isn't necessarily what a bioweapon is designed for. The US (allegedly) dropped tick-borne bioweapons on Cuba in the 60's with the goal of lowerin

High lethality isn't necessarily what a bioweapon is designed for. The US (allegedly) dropped tick-borne bioweapons on Cuba in the 60's with the goal of lowering sugarcane production. If you want to use a bioweapon for clandestine economic warfare, you don't actually want to people to die, that draws attention. You just want everyone to be sick at crunch (harvest) time.