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 ...

An outbreak of infections linked to McDonald’s Quarter Pounders has a lot of people across the United States concerned about their exposure to dangerous E. coli bacteria. It is not yet known ...

A food poisoning outbreak tied to McDonald’s Quarter Pounders was caused by a common type of E. coli bacteria that can cause serious illness and death. Particularly vulnerable are young children ...

An E. coli outbreak linked to McDonald’s’ Quarter Pounder has led to nearly 50 reported infections across 10 states and one death. The outbreak, which McDonald’s believes stems from a single ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers ...

The number of E. coli cases linked to McDonald's Quarter Pounders has climbed, and health officials are focusing on onions sold to the fast-food chain as the likely source of the outbreak ...

The Centers for Disease Control and Prevention said Wednesday that the number of infected people from the E.coli outbreak linked to McDonald’s Quarter Pounder hamburgers has increased to 90 from 75.

Health officials continue to investigate an E. coli outbreak described as “fast-moving” and linked to fast-food giant McDonald’s Quarter Pounder hamburgers. On Tuesday, the U.S. Centers for ...

Organic carrots sold in major supermarket chains in the U.S., Canada and Puerto Rico are linked to an E. coli outbreak that has killed at least one person and sickened 39 others, according to the ...

Nanoplastics are everywhere. These fragments are so tiny they can accumulate on bacteria and be taken up by plant roots; they're in our food, our water, and our bodies. Scientists don't know the full ...

A food poisoning outbreak tied to McDonald’s Quarter Pounders was caused by a common type of E coli bacteria that can cause serious illness and death. Particularly vulnerable are young children ...