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New World Screwworm

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A small transluscent worm with markings that resemble a screw

Preparing for Potential Emergence of New World Screwworm in the U.S.

The USGS National Wildlife Health Center (NWHC) is supporting the Department of the Interior’s (DOI) preparedness planning for New World screwworm (NWS), a re-emerging parasitic disease that is spreading north from Central America.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, National Wildlife Health Center
Preparing for Potential Emergence of New World Screwworm in the U.S.

Preparing for Potential Emergence of New World Screwworm in the U.S.

The USGS National Wildlife Health Center (NWHC) is supporting the Department of the Interior’s (DOI) preparedness planning for New World screwworm (NWS), a re-emerging parasitic disease that is spreading north from Central America.
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