Migration Through Darien Gap

CNN : Flesh-eating screwworm has reached the US — a comeback driven by organized crime

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Associates migration with disease spread, despite lack of direct transmission

The article links the 2023 screwworm resurgence to a 'migrant surge northward' and specifically the Darien Gap crossing, creating an implicit connection between human migration and biosecurity threats—even though the text clarifies screwworm is not transmissible person-to-person. This leverages migration as a narrative vector.

“Yet the fly began to make a comeback in 2023, likely reemerging in Panama among animals during a migrant surge northward.”