McDonald's Quarter Pounder beef patties not the source of E. coli outbreak, company says
No E. coli was detected in samples of beef patties used in McDonald's Quarter Pounders that have been linked to a deadly ...
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McDonald’s brings back Quarter Pounders after E. coli outbreak linked to onions
McDonald's has reintroduced the Quarter Pounder at select restaurants after an E. coli outbreak linked to onions, not beef ...
Testing rules out beef patties as the source of E. coli outbreak, McDonald’s says
LOS ANGELES (AP) — Testing has ruled out beef patties as the source of the outbreak of E. coli poisoning tied to McDonald’s ...
Not the beef: Testing bolsters case against California onions in McDonald's E. coli outbreak
McDonald's Quarter Pounders are back on the menu after new testing confirmed that the chain's beef patties were not to blame ...
McDonald’s beef patties test negative for E. coli
On Tuesday, the Colorado Department of Agriculture received multiple lots of fresh and frozen beef patties collected from ...
Quarter Pounder back as tests confirm beef not E. coli source
The Quarter Pounder is back on the menu after testing showed no signs of E. coli. But the popular burger won’t feature the ...
Colorado labs test McDonald’s beef patties for E. coli
Following a deadly E.coli outbreak tied to McDonald’s Quarter Pounders, the Colorado Department of Agriculture tested the ...
McDonald's Quarter Pounder beef patties not linked to E. coli outbreak, company says
The E. coli infections, first reported on Sept. 27 in Colorado, were linked to the recent consumption of Quarter Pounder ...