At least 104 people have been sickened, with 34 hospitalized, in an outbreak of E. coli food poisoning tied to onions served on McDonald’s Quarter Pounder hamburgers, federal health officials said Wednesday. One person died in Colorado and four people have developed a potentially life-threatening kidney disease complication. At least 30 cases were reported in Colorado, followed by 19 in Montana, 13 in Nebraska, 10 in New Mexico, eight in Missouri and Utah, six in Wyoming, three in Kansas, two in Michigan and one each in Iowa, North Carolina, Oregon, Washington and Wisconsin.