Shares of Chipotle were falling about 1% following the report Thursday morning.
The restaurant will remain closed to allow time for the company to conduct a thorough check of the 100-year-old restaurant located in Dallas' West End neighborhood, a Chipotle spokeswoman said.
In July, 135 customers got sick after eating at a Sterling, Va., Chipotle restaurant, which tested positive for norovirus, likely spread by a Chipotle employee. The company is also still trying to repair its image after its E. coli outbreak at restaurants in 14 states in 2015.
Watch More with TheStreet:
- Who Holds the Biggest Share of Snap?
- Who is the French Billionaire Making a Play for Charter Communications?
- It's Not Just North Korea, This is a Stronger Time for Gold
- Which Cryptocurrency Will Last?