Fast food chain Chipotle Mexican Grill Inc.’s (CMG, CMG-B) reputation has been hammered in recent months by an outbreak of E. coli that afflicted at least 53 people in nine states. The company is likely to serve its fourth-quarter numbers after the bell on Tuesday, February 2. Analysts polled by Thomson Reuters are now looking for earnings of $1.86 per share and revenues of $1.01 billion…