HOUSTON (CBSDFW.COM/AP) — A Texas company has recalled more than 3,300 pounds of ready-to-eat meat, poultry and salad products amid concerns about possible listeria contamination.

The U.S. Department of Agriculture on Tuesday announced the recall by Great American Marketing Inc. of Houston. The problem was discovered during routine testing at the business.

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The items were produced March 27 through Monday and shipped to retailers across Texas. The recalled food has “EST. 31680” or “P-31680” inside the USDA mark.The presence of L. monocytogenes was discovered during routine testing, but there have been no reports of anyone getting sick. The items should be thrown away or returned to the place of purchase.

The recalled items include:

— 9.25 ounce plastic-sealed cartons of Corner Store Market Caesar Salad With Grilled Chicken & Caesar Dressing

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— 10.25 ounce plastic-sealed cartons of Corner Store Market Chef Salad Turkey, Ham & Cheese, With Ranch Dressing

— 8.1 ounce plastic-sealed cartons of Corner Store Market Club Wrap Turkey, Ham, Roast Beef, Bacon Bits & Cheese

— 7.4 ounce plastic-sealed cartons of Corner Store Market Chicken Caesar Wrap Chicken Strips & Cheese With Caesar Dressing

Listeria mainly affects pregnant women, the elderly and others with weakened immune systems. It can cause headache, stiff neck, confusion and convulsions, and in pregnant women can cause miscarriages, stillbirths, premature delivery and other life-threatening conditions for newborns.

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(© Copyright 2019 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)