<p>Federal health officials have seized several dangerous pests called Giant African Land Snails from Wisconsin classrooms and have started a national search for the creatures, which reproduce rapidly, destroy plants and can transmit meningitis.</p>
<p>The snails, which are illegal to have in the United States, were used in classrooms by unwitting school officials, said Willie Harris, eastern regional director of the U.S. Department of Agriculture's Safeguarding, Intervention and Trade Compliance Program.</p>