USDA warns of ground beef that may be contaminated with E.coli News 12 New JerseyHealth alert issued for contaminated ground beef WBAYRecall: Hannaford brand 85% ground beef products NewsCenterMaine.com WCSH-WLBZE. coli in ground beef? USDA issues consumer alert after possible contamination of ground beef made by Greater Omaha Packing Co. KABC-TVPublic health alert issued over ground beef that may be contaminated with E. coli USA TODAY