SCREWWORM REASON
American scientists and ranchers are racing to stop a flesh-eating fly after 15 animal cases turned up in Texas and New Mexico, and the battle could take more than a year
New human screwworm case in US traced to person in Maryland who traveled from Guatemala, sources say
The US is spending $8.5 mn to breed flies in Texas near Mexico border. Reason: 'man-eater' screwworms
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