Fact Check: "Screwworms detected 700 miles from U.S. border!"
What We Know
Recent reports indicate that the New World screwworm (NWS), a parasitic fly known for causing severe damage to livestock and occasionally humans, has been detected as far north as 700 miles from the U.S. border. The U.S. Department of Agriculture (USDA) has suspended imports of live cattle, horses, and bison from Mexico due to this threat (USDA suspends southern border livestock imports over New ...). The USDA's Animal and Plant Health Inspection Service (APHIS) has confirmed that NWS has been found in remote farms in Mexico's Oaxaca and Veracruz states, which are approximately 700 miles from the U.S. border (U.S. plans to combat spread of "man-eater" screwworms with ...).
The NWS is known for its destructive impact on healthy tissue, leading to myiasis in livestock and occasionally in humans. The USDA has been actively monitoring the situation, especially following a surge in detections in Central America, including Panama, Costa Rica, and Nicaragua (Flesh-Eating 'Screwworm' Parasites Are Headed to the U.S.).
Analysis
The claim that screwworms have been detected 700 miles from the U.S. border is supported by multiple credible sources. The USDA's official statements and the reports from agricultural news outlets confirm the presence of NWS in southern Mexico, specifically in states that are indeed 700 miles from the U.S. border (USDA suspends southern border livestock imports over New ..., New World Screwworm's Threat Grows: Pest Detected Only 700 Miles U.S. Border).
The reliability of these sources is high, as they include government agencies and established news organizations that specialize in agricultural and health reporting. The USDA's involvement adds a layer of credibility, given their role in monitoring and managing agricultural pests and diseases.
While the urgency of the situation is emphasized, it is important to note that the USDA has previously eradicated NWS from the U.S. using sterile insect techniques, and they are implementing new measures to combat its resurgence (U.S. plans to combat spread of "man-eater" screwworms with ...). This historical context suggests that while the threat is serious, there are established methods to manage and potentially eradicate the pest again.
Conclusion
Verdict: True
The claim that screwworms have been detected 700 miles from the U.S. border is accurate, supported by credible reports from the USDA and other reputable sources. The detection of NWS in southern Mexico poses a significant threat to livestock and potentially to human health, prompting immediate action from U.S. agricultural authorities.