From Chicago Tribune staff report:

More than 500 people have reported digestive problems after eating at the Pars Cove Persian Cuisine booth at Taste of Chicago, Health Department officials said this afternoon.  As of noon today, 529 people had called claiming symptoms of salmonella poisoning, according to a news release.  Fifty cases have been confirmed as salmonellosis. Of the 50, 36 have been identified as salmonella heidelberg, one of the more common forms of salmonella poisoning in the United States, the release said.  Seventeen people have been hospitalized.

You can keep up to date on the Pars Cove/Taste of Chicago Salmonella outbreak on the Marler Clark Web site.