The FDA has raised the level of a Costco egg recall, warning of the risk of severe illness or death due to potential salmonella contamination. Over 10,000 cartons of Kirkland brand organic eggs sold at stores across the South are affected.

FDA escalates Costco egg recall to Class I, its highest risk level, over salmonella concerns. Learn what Class I means, how recalls escalate, and what it means for you.

Federal food regulators raised their alarm for recalled eggs sold from Costco stores over possible salmonella exposure, reclassifying the targeted product to their highest risk level.