{"batchcode": "EW4143", "histograms": [{"batchcodes": ["EW4143"], "histogram": {"Blindness": 1, "Blood pressure measurement": 1, "Dizziness": 1, "Headache": 1, "Insomnia": 1, "Malaise": 1, "Myalgia": 1, "Neck pain": 1, "Oxygen saturation": 1, "Pallor": 1, "Presyncope": 1, "Unresponsive to stimuli": 1, "Vomiting": 1}}]}