CDC links Kentucky and Indiana infections to Cyclospora outbreak tied to contaminated Taco Bell lettuce

The U.S. Centers for Disease Control and Prevention said Kentucky and Indiana are among five states being investigated in a Cyclospora outbreak connected to contaminated lettuce served at some Taco Bell locations. The CDC’s update characterizes the illness as including “explosive diarrhea,” a symptom pattern that can quickly lead to dehydration and other complications, particularly for children, older adults, and people with compromised immune systems.

Cyclospora is a parasite that can cause prolonged gastrointestinal illness. According to the CDC’s statement reported by WLKY, investigators are focusing on a common food exposure, with the alleged source tied to lettuce linked to Taco Bell menu items at select restaurants. The CDC has not said in the reported item that all Taco Bell locations are affected, and the investigation appears to be limited to the specific implicated supply and service context.

The report states that Kentucky and Indiana are included among the five states at the center of the CDC’s inquiry. As part of the federal response, public health officials are tracking illness reports and working to determine the scope of the exposure, including when and where the contaminated lettuce may have been served.

For residents experiencing severe or persistent diarrhea, the practical next step remains medical evaluation and follow-up guidance from clinicians or local public health departments. Cyclospora infections can require specific treatment and may last longer than typical stomach illnesses, making timely diagnosis important for reducing the risk of complications and secondary spread.

Public health agencies typically emphasize hygiene measures during outbreaks, including careful handwashing and avoiding food preparation for others while ill. Restaurants and food distributors also face increased scrutiny during investigations, with officials seeking to confirm the contamination point and to prevent additional exposures.

The CDC continues to coordinate with state and local partners as the outbreak assessment evolves. Additional information about which Taco Bell locations or service periods were affected, and whether any broader recalls or supply chain actions are underway, would be expected to come through subsequent federal and state public health updates.