{"batchcode": "EK9231", "histograms": [{"histogram": {"Arthralgia": 1, "Back pain": 1, "Chest discomfort": 1, "Chills": 1, "Dizziness": 1, "Fatigue": 1, "Flushing": 1, "Headache": 1, "Hypertension": 1, "Nausea": 1, "Somnolence": 1}, "batchcodes": ["EK9231", "EL8782"]}]}