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ARCHIVEARCHIVED EVENT BRIEFLAST CHANGED Nov 9, 2026, 11:04 PM
PUBLIC HEALTH ALERTS • UNITED STATES

USDA reports 74 animal screwworm cases in the U.S. since June

2 SOURCES UNITED STATESRESOLVED
NOT MEDICAL ADVICE

This brief summarizes public reporting and official announcements. Research findings may be preliminary. Talk to a qualified clinician before making health decisions.

HISTORICAL RECORD

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BLUF

The USDA has identified 74 animal cases of New World screwworm in the United States since June, according to Ars Technica. Arizona reported its first case in a dog, joining two other affected states.

HOW THIS BRIEF WAS MADE 2 outlets: 1 national · 1 trade press. Automated sourcing and summaries by the BLUF engine. Corrections

Why it matters

The parasite affects animals and has been detected in multiple U.S. states, creating a public-health and animal-health concern for pet owners and animal handlers. The articles do not report effects on U.S. food supplies or people.