US EditionUS Confirms First Travel-Linked Human Screwworm Case in Maryland
- In 2025, Maryland confirmed an infection of the New World screwworm parasite in an individual who had recently traveled from Guatemala and received medical treatment within the state.
- The case arose amid a screwworm outbreak that has been intensifying since late 2023 across regions in southern Mexico and countries to its south, leading to heightened alertness in the United States.
- US state veterinarians learned of the Maryland case last week during a CDC call, while prevention measures were promptly implemented in the state.
- In 2025, USDA Secretary Brooke Rollins revealed intentions to establish a facility in Texas dedicated to producing sterile flies as a measure against the pest, which poses a potential economic threat of $1.8 billion to the state's livestock industry if left unchecked.
- This detection challenges US efforts to keep screwworm eradicated since the 1960s and may impact the cattle industry amid record-high market prices and border controls.
168 Articles
168 Articles
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A Maryland resident who traveled to El Salvador has been diagnosed with New World sweeping worm, the first reported case in the United States related to a trip to a country with a current outbreak.
US Confirms First Human Case Of Deadly Screwworm Parasite
What’s scarier than a horror movie? How about a parasite that literally eats flesh — and it’s just been confirmed in the US for the very first time.Health officials say a patient returning from El Salvador tested positive for New World screwworm (NWS) myiasis. A nasty infestation where fly larvae — yes, maggots — burrow into living tissue.The Department of Health and Human Services confirmed the case on 4 August. It called it the first human tra…
Make America Wormy Again
If the parasitic worm that once devoured a portion of RFK Jr.'s brain were alive today, it might rejoice upon learning that yet another parasitic worm has wriggled into the spotlight and captured the heart of our nation, or whatever is left of it. The worm in question is the New World screwworm, a flesh-eating parasite that poses a horrific threat to the cattle industry and, despite international efforts at containment, made its presence known i…
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