{"batchcode": "EW0159", "histograms": [{"batchcodes": ["EW0159"], "histogram": {"Arthralgia": 1, "Asthenia": 1, "Blood pressure measurement": 1, "Chills": 1, "Fatigue": 1, "Headache": 1, "Hypertension": 1, "Myalgia": 1, "Nausea": 1}}]}