Most of the people who fell ill reported eating the quarter pounder hamburger at McDonald’s before getting sick, the CDC said. Health authorities have yet to determine the specific ingredient ...

When people started getting sick eating its famous Quarter Pounder burgers, McDonald’s rushed to figure out what was going on. It quickly established that beef wasn’t the culprit, which is ...

As of July 12, Iowa had identified 15 people who ate McDonald’s salads in late June to early July prior to getting ill ... identified by those who became sick and to trace back those ingredients ...