{"batchcode": "037N20A", "histograms": [{"batchcodes": ["037N20A"], "histogram": {"Chest discomfort": 2, "Fatigue": 2, "Headache": 2, "Blood test normal": 1, "Chest X-ray": 1, "Chest X-ray normal": 1, "Electrocardiogram": 1, "Electrocardiogram normal": 1, "Injection site erythema": 1, "Injection site pain": 1, "Injection site pruritus": 1, "Injection site swelling": 1, "Pain in extremity": 1, "Sleep disorder": 1, "Vaccination site erythema": 1, "Vaccination site swelling": 1}}]}