The CDC declared the E coli outbreak linked to McDonald's Quarter Pounders over after 104 cases across 14 states and at least one death.

People in at least 14 states caught a nasty strain of E. coli from tainted onions used in McDonald's Quarter Pounders, though the immediate danger has likely now passed.

The U.S. government said Tuesday it has closed its investigation into an E. coli outbreak tied to McDonald’s Quarter Pounder hamburgers after determining there is no longer a sa

Reports from the Centers for Disease Control and Prevention on the McDonald's E. coli outbreak show how disease detectives pieced together what was making people sick.

The CDC and FDA have officially ended the e.coli outbreak warning that began in October, after dozens of e.coli cases broke out across multiple states. The outbreak was linked to the slivered yellow onions sold by the Taylor Farms Colorado Spring's facility.

Federal health officials have concluded their investigation into a multi-state E. coli outbreak tied to contaminated slivered onions previously served on McDonald’s Quarter Pounder burgers. The outbreak,

An investigation into an E. coli outbreak linked to McDonald's Quarter Pounders has officially been closed, the U.S. Food and Drug Administration announced Tuesday. In total, 104 people from 14 states were sickened and 34 were hospitalized during the outbreak,