{"batchcode": "EU3143", "histograms": [{"batchcodes": ["EU3143"], "histogram": {"SARS-CoV-2 test": 2, "Chest pain": 1, "Dysmenorrhoea": 1, "Epistaxis": 1, "Hypertension": 1, "Pain in extremity": 1, "Visual acuity reduced": 1}}]}