McDonald's worked Wednesday to reassure customers that its U.S. restaurants are safe as federal investigators tried to pinpoint the cause of a deadly E. coli outbreak linked to fast-food giant's ...

A food poisoning outbreak tied to McDonald’s Quarter Pounders was caused by a common type of E. coli bacteria that can cause ...

Arizonans with respiratory problems this fall may want to add whooping cough to the list of possible causes. Cases in the ...

McDonald’s said customers should feel confident ordering from its restaurants despite a deadly E. coli outbreak linked to its ...

Five Bernalillo County residents have contracted E. coli potentially associated with McDonald’s, the New Mexico Department of ...

A deadly E. coli outbreak has been linked to Quarter Pounders sold at McDonald's locations across the U.S. Which states are ...

E. coli symptoms usually start about two to seven days after exposure, CBS News chief medical correspondent Dr. Jon LaPook ...

McDonalds Corp. was accused of product liability, negligence, and breach of implied warranties in a lawsuit filed in Illinois ...

A multistate outbreak of E. coli linked to McDonald’s Quarter Pounder hamburgers has resulted in 49 reported illnesses, ...

McDonald's has removed the Quarter Pounder from its menu in some states amid an E. coli outbreak. See what states are ...

Bacterial pneumonia cases are on the rise in young children, according to the Centers for Disease Control and Prevention.