The Tailo Blog

Insights, tips, and stories to help you better understand and communicate with your dog.

New Flesh-Eating Parasite Found in a US Dog: What Owners Need to Know About New World Screwworm

New Flesh-Eating Parasite Found in a US Dog: What Owners Need to Know About New World Screwworm

A dog in Massachusetts tested positive for New World Screwworm in mid-June 2026. If you haven't heard of this parasite before, that's not surprising. Most vets practising today have never seen a case. The US declared it eradicated domestically back in 1966, and until a recent outbreak began spreading northward through Mexico and parts of Central America, it was largely considered someone else's problem.

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