Now that the New World screwworm has been found in the U.S. we in the ag industry need to remind people that it is not a food safety issue. It is also not a disease but an infestation. As Dudley Hoskins, U.S. under secretary of agriculture for marketing and regulatory programs, said “The screwworm is not contagious. It does not spread directly from animals to people or from person to person. And the screwworm does not pose a food safety risk.