USDA strikes back against parasite with 101M sterile screwworms

The USDA has released more than 101 million sterile New World screwworms since October in an effort to wipe out the parasite in the Florida Keys. The endangered Key deer population has lost 135 animals to the worms, whose larva feed on wounds in living flesh, but no new infestations have been found among deer since Jan. 7, marking the longest period without a new case since the start of the outbreak.Miami Herald (tiered subscription model) (2/4)

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