Northern Mexico Bio Alert

Screwworm Fly Tracking Dashboard

Border States Overview

Tamaulipas11 total cases
Nuevo LeónNo cases
CoahuilaNo cases
ChihuahuaNo cases

Active Cases

3

Since Dec 2025

Total Tracked

11

Since Dec 2025

States

1

Affected

Last updated: 4/2/2026

Severity levels reflect a composite assessment of confirmed case counts, geographic proximity to the U.S. border, and evidence of ongoing spread or containment activity.

Active Alerts

No active alerts at this time

Prevention Tips

  • •Inspect livestock daily for wounds or unusual behavior
  • •Treat all wounds immediately with approved insecticides
  • •Report suspected cases to local veterinarians and USDA
  • •Keep livestock in covered or protected areas when possible

Affected States

Tamaulipas

cattle

3

medium

Data sourced from SENASICA and Mexican health authorities

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