Chipotle lost billions of dollars in market cap following a series of foodborne-illness outbreaks almost a decade ago. But so far the McDonald’s situation seems more contained.

McDonald’s said Wednesday that customers should feel confident ordering from its restaurants despite a deadly E. coli outbreak linked to its Quarter Pounder hamburgers. The outbreak has sickened at least 49 people in 10 states,

The company’s stock plunged 8% in premarket trading — the worst day since March 12, 2020, when the world went into Covid lockdown.

A McDonald's sandwich has been making people sick in the US, according to the Centers for Disease Control and Prevention (CDC). E. coli, a type of bacteria that can cause serious stomach problems, has been found in McDonald's Quarter Pounder sandwiches,