ANALYSIS: Screwworm Returns—Comparing 2026's Threat to the 1960s US Eradication Era
The current New World screwworm situation is a bit different from the outbreak that was seen in the United States during the 1950s and 1960s. At that time, screwworm was endemic throughout much of the southern United States, creating a persistent animal health challenge and resulting in substantial production losses for cattle producers. Through the successful implementation of the Sterile Insect Technique, the pest was eradicated from the United States in 1966, and for decades the industry has operated without the threat of widespread infestations.
Today's situation is not a widespread domestic outbreak but rather a reintroduction of the threat from the northward...
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