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US New World screwworm parasite outbreak 2026
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
1 DAYS
9 FACTS
1 EVENTS
1 SOURCES
FIRST ENTRY OCT 21
OCT 21 · Day 1
Flesh-eating New World screwworm parasite found in US wildlife
The infected elk was located on a game ranch and was reported after being harvested by a hunter.
Washington imposed a more than year-long ban on Mexican cattle imports due to the screwworm surging north from Central America through Mexico.
The US resumed livestock imports from Mexico in August at an Arizona port.