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First U.S. Case of Flesh-Eating Screwworm Reported in 2025

8/25/2025

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Summary

Story summary

A Maryland resident has contracted a flesh-eating screwworm infection after traveling from Guatemala.
This is the first confirmed U.S. case of New World screwworm in 2025.
The outbreak is advancing north from Central America and southern Mexico.
South Dakota's state veterinarian, Beth Thompson, has been informed about the case.

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Story summary

A Maryland resident has contracted a flesh-eating screwworm infection after traveling from Guatemala.
This is the first confirmed U.S. case of New World screwworm in 2025.
The outbreak is advancing north from Central America and southern Mexico.
South Dakota's state veterinarian, Beth Thompson, has been informed about the case.