This is how important the Quarter Pounder is to McDonald's — and why it will want to address E. coli concerns quickly
And since then, the Quarter Pounder and other "classics" like the Big Mac have made up more than 70% of food sales in recent ...
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E. coli outbreak linked to McDonald's Quarter Pounder in several states, CDC says
According to the Centers for Disease Control, 49 people across 10 states have become sick after they ate a quarter pounder hamburger ... Feeling dizzy when standing up. The outbreak comes as ...