NEW YORK (AP/NBC) – A drug-resistant “superbug” that doctors have been dreading has shown up in the U.S. for the first time, researchers reported Thursday. A U.S. patient has been infected with ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. PENNSYLVANIA – For the first time, doctors ...

(CNN)A 49-year-old Pennsylvania woman showed the presence of a rare kind of E. coli infection, the first known case of its kind in the United States. It is a superbug that is resistant to many ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. PENNSYLVANIA – For the first time, doctors ...