ConAgra has issued a recall of Marie Calendars Cheesy Chicken and Rice Frozen Entrees due to potential contamination by Salmonella Chester.  The products were distributed nationally.  The recall is based on notification by the CDC of a possible association between the ConAgra product and eight people in the United States who have been diagnosed with salmonellosis linked to Salmonella Chester.  CDC interviews have identified individuals who reported eating this product in April and May, 2010. The last reported illness was reported on May 22.