Officials said the onions served atop the popular hamburger were the likely source of an E. coli outbreak that has killed one ...

In 10 states throughout the country, 49 people have gotten ill and one has died after an E. coli outbreak at McDonald’s.

The first confirmed outbreak case was reported on 27 September, but McDonald's said authorities only notified the company of ...

The FDA is investigating whether Taylor Farms is the possible source of the E. coli outbreak linked to McDonald's Quarter ...

A food poisoning outbreak tied to McDonald’s Quarter Pounders was caused by a common type of E. coli bacteria that can cause ...

Just days after an E. coli outbreak tied to McDonald's Quarter Pounders was first announced, a company producing onions used ...

After McDonald's announced Oklahomans could be affected by an E. coli outbreak, some questioned if the state's testing is ...

The CDC has opened an investigation into the fast food giant after tainted Quarter Pounders left one dead, 10 hospitalized ...

A preliminary investigation suggested fresh slivered onions that are served raw on the burgers were a likely source of the ...

Since Oct. 7, Mesa County Public Health has confirmed 10 cases of Shiga toxin-producing E. coli, which resulted in the death ...

An outbreak of E. coli prompted McDonald’s to stop selling Quarter Pounder burgers in several states, including Colorado.