Food Safety Report: Alero Restaurant, U Street Northwest, Washington, DC, USA 3 years ago • details 151 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Chills Suspected source: mexican food: spinach enchilada and/or refried beans and/or sour cream/guac Onset: 12 to 24 hours Duration: 4 to 12 hours Sick: Me