{"batchcode": "203A2A", "histograms": [{"histogram": {"Interchange of vaccine products": 1}, "batchcodes": ["203A2A", "ER8733"]}, {"histogram": {"Dermatitis": 1, "Dizziness": 1, "Fall": 1, "Fatigue": 1, "Pain in extremity": 1}, "batchcodes": ["203A2A"]}]}