United States & Yum! Brands — Taco Bell

United States: The United States is the country affected by the outbreak, with cases in nearly all states. The outbreak has raised concerns about food safety and public health infrastructure.

Yum! Brands — Taco Bell: Yum! Brands — Taco Bell, a subsidiary of Yum! Brands, was the main restaurant chain linked to the contaminated lettuce. It removed the affected lettuce from its supply chain, but the outbreak has led to a significant drop in customer traffic and negative publicity.

United States: Country experiencing widespread outbreak affecting public health and food safety.

Yum! Brands — Taco Bell: Voluntarily removed limited ingredients from select restaurants as a precaution; under investigation for possible link.