McDonald’s says it will invest more than $100 in its brand to boost restaurant sales following last month’s outbreak of E. coli tied to slivered onions on its Quarter Pounders.

Fourteen new illnesses linked to the McDonald's E. coli outbreak were reported by the CDC and FDA Wednesday, bringing the total to over 100.

The E. coli case total has risen to 104 in the outbreak linked to McDonald’s Quarter Pounders. Slivered onions still appear to be the most likely source of the contamination.

McDonald’s is investing $100 million to bring customers back to stores after an outbreak of E. coli food poisoning tied to onions on the fast-food giant’s Quarter Pounder hamburgers.

A memo seen by CNN said $35 million is being spent on marketing, with another $65 million going to McDonald's franchisees worst hit by the outbreak.

McDonald's is investing $100 million to bring customers back to stores after an outbreak of E. coli food poisoning tied to onions on the fast-food giant's Quarter Pounder hamburgers.

McDonald's has announced to invest more than $100 million into recovery efforts following last month's E. coli outbreak.

The fast-food giant is making a big splash to show consumers their recent E. coli outbreak was just a flash in the pan.