Where the New World screwworm has been seen, and why it’s a big deal

siliconvalley.com/2025/07/11/where-new-world-screwworm

A plan to reopen U.S.-Mexico crossings to livestock was scuttled after the discovery of a New World screwworm 370 miles south of the border.
The map above shows the ports of entry affected by the U.S. Agriculture Department’s July 9 announcement and the approximate locations of the most…

This story appeared on siliconvalley.com, 2025-07-11 16:20:16.
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