The CDC is working with state health officials to determine whether sick people ate recalled food or if additional foods may be contaminated with listeria bacteria linked to the outbreak. The U.S. Food and Drug Administration and the Agriculture Department are also investigating. 

Here are the recalls to date: 

1. Sprouts Smoked Mozzarella Pasta Salad sold from the deli service counter or Grab & Go section with best-by dates from Oct. 10 to Oct. 29.

2. Giant Eagle smoked mozzarella pasta salad — expiration dates Sept. 30 through Oct. 7.

3. Kroger stores recalled deli bowtie and penne pasta salads — sold Aug. 29 through Oct. 2.

4. Scott & Jon’s Shrimp Scampi with Linguini Bowls 9.6-oz. — best if used by dates of March 12 and 13 and March 17 and 21 2027.

5. Trader Joe’s Cajun Style Blackened Chicken Breast Fettuccine Alfredo 16-oz plastic tray packages with “best if used by” dates Sept. 20, Sept. 24, Sept. 27, Sept. 28, Oct. 1, Oct. 3, Oct. 5, Oct. 8 and Oct. 10.

6. Albertsons stores recalled store-made deli pasta salads — sell through dates from Sept. 8 to Oct. 4.

7. Marketside Linguine with Beef Meatballs & Marinara Sauce 12-oz. — best-by dates of Sept. 22, Sept. 24, and 25 and Sept. 29 to Oct. 1.

8. Marketside Grilled Chicken Alfredo with Fettuccine 12.3-oz. – best-by date of June 26, 2025, or prior; and 32.8-oz. — best-by date of June 27, 2025, or prior.

9. Home Chef Chicken Fettuccine Alfredo 12.5-oz. — best-by date of June 19 or prior.

States include:

• California
• Florida
• Hawaii
• Illinois
• Indiana
• Louisiana
• Michigan
• Minnesota
• Missouri
• North Carolina
• Nevada
• North Carolina
• Ohio
• South Carolina
• Texas
• Utah
• Virginia
• Washington