{"batchcode": "022521A", "histograms": [{"histogram": {"Chills": 2, "Dizziness": 2, "Pain in extremity": 2, "Arthralgia": 1, "Back pain": 1, "Decreased appetite": 1, "Dysstasia": 1, "Headache": 1, "Irritability": 1, "Loss of consciousness": 1, "Mobility decreased": 1, "Nausea": 1, "Neck pain": 1, "Pain": 1, "Unevaluable event": 1}, "batchcodes": ["022521A"]}]}