Human case of flesh-eating New World screwworm parasite found in the US

WorldHealth & Fitness
25 Aug 2025 • 4:58 PM MYT
The Independent
The Independent

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  • A human case of the potentially deadly flesh-eating New World screwworm parasite has been detected in the US for the first time in years.
  • The patient, from Maryland, was diagnosed with the infestation after returning from El Salvador.
  • This marks the first travel-associated human case of the parasite identified in the US from an outbreak-affected country.
  • While eradicated from North America decades ago, the parasite has seen a significant surge in South and Central American countries, spreading northwards.
  • The US is taking steps to combat its spread, including suspending livestock imports and constructing a sterile fly production facility in Texas to protect agriculture and food security.

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