{"batchcode": "COMIRNATY 1D018", "histograms": [{"batchcodes": ["COMIRNATY 1D018", "COMIRNATY EX867", "MODERNA CH-B: 3"], "histogram": {"Arrhythmia": 1, "Blood pressure measurement": 1, "Electrocardiogram": 1, "Hypertension": 1, "Hypertensive crisis": 1, "Sinus tachycardia": 1, "Tachycardia": 1}}]}