The U.S. fought the flesh-eating screwworm for decades. Now it must begin again. - NBC News

1. The U.S. fought the flesh-eating screwworm for decades. Now it must begin again.  NBC News
2. U.S. confirms second Texas screwworm case, Canada restricts livestock imports  CNBC
3. Screwworm Flies Add to Cattle Ranchers’ Woes  The New York Times
4. Canada bans Texas cattle over flesh-eating screwworm outbreak in US  Yahoo
5. Screwworm border closure fuels beef boom in Mexico, gloom in Texas  Reuters