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Flesh-eating screwworm arrives in US with first case detected in Texas cattle
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Flesh-eating screwworm arrives in US with first case detected in Texas cattle

BBC News · Jun 4, 2026, 3:45 AM · Also reported by 4 other sources

Key takeaways

  • Oliver O'Connell Reuters Larvae of the screwworm fly collected from infected cows.
  • New World Screwworm (NWS) has been advancing across Mexico for the past year and has now been found in a calf in Texas, the US Department of Agriculture (USDA) said on Wednesday evening.
  • Efforts to delay the arrival of screwworm in the US have been under way since cases began increasing in Central America and Mexico.

Why this matters: a developing story that could shape the day's news cycle.

Oliver O'Connell Reuters Larvae of the screwworm fly collected from infected cows. A flesh-eating parasite that feeds on warm-blooded animals has been detected in the US for the first time since 1966.

New World Screwworm (NWS) has been advancing across Mexico for the past year and has now been found in a calf in Texas, the US Department of Agriculture (USDA) said on Wednesday evening.

Efforts to delay the arrival of screwworm in the US have been under way since cases began increasing in Central America and Mexico.

Article preview — originally published by BBC News. Full story at the source.
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