{"batchcode": "EW0171/EW0175", "histograms": [{"histogram": {"Adverse event": 1, "Chills": 1, "Gait disturbance": 1, "Hallucination": 1, "Mobility decreased": 1, "Pain": 1, "Pyrexia": 1, "Tremor": 1}, "batchcodes": ["EW0171/EW0175"]}]}