<p>Tim Karr of Arizona State University in the U.S. will develop live bacterial-based contraceptive vaccines that deliver testis- and sperm-specific antigens to sterilize rodent populations that destroy food crops. They will also develop an oral bait that can safely and effectively introduce these contraceptive vaccines to the pests.</p>


Tim Karr of Arizona State University in the U.S. will develop live bacterial-based contraceptive vaccines that deliver testis- and sperm-specific antigens to sterilize rodent populations that destroy food crops. They will also develop an oral bait that can safely and effectively introduce these contraceptive vaccines to the pests.