Home / News / Elanco secures emergency authorizations for screwworm treatments ahead of potential US outbreak 

Elanco secures emergency authorizations for screwworm treatments ahead of potential US outbreak 

Quick Takeaways: 

  • Elanco has received EUA from the US FDA for Negasunt Powder and a Section 18 emergency exemption from the US Environmental Protection Agency, in coordination with the USDA, for Tanidil to prevent and treat New World screwworm infestations in livestock. 
  • The authorizations ensure veterinarians and producers have immediate treatment options as the pest approaches the US border, with distribution managed through USDA’s Animal and Plant Health Inspection Service and National Veterinary Stockpile. 
  • Alongside treatment access, Elanco is emphasizing early wound care, surveillance, and robust fly and tick control programs to limit infestation risk and prevent rapid spread in livestock populations. 

Why It Matters? 

Elanco is moving fast to become the “go‑to” screwworm partner for U.S. regulators and producers, adding Negasunt Powder and Tanidil to its toolkit via FDA Emergency Use Authorization and an EPA Section 18 emergency exemption just as New World screwworm cases edge to within ~100 km of the U.S.–Mexico border. 

By routing these unapproved but authorized products exclusively through USDA APHIS and the National Veterinary Stockpile, Elanco locks in a central role in any response playbook, complements existing tools like Catron IV, and reinforces its broader message to producers: pair early wound care and surveillance with robust fly/tick control programs now to reduce the risk of rapid NWS spread and the heavy animal‑health and economic losses that would follow an incursion. 

Source: PRnewswire 

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