Overview

• Five border ports will reopen on a staggered schedule from July 7 through mid-September, beginning with Douglas, Arizona
• Initial import eligibility will be restricted to cattle and bison born and raised in Sonora or Chihuahua or treated according to screwworm protocols
• Equines from any region of Mexico may enter under a seven-day quarantine and compliance with equine screwworm measures
• The USDA has released more than 100 million sterile male flies each week to disrupt screwworm reproduction and block northward spread
• Mexico plans to scale up its Metapa facility to produce 60 million to 100 million sterile flies weekly by July 2026 to bolster containment