{"batchcode": "063A21A", "histograms": [{"histogram": {"Back pain": 1, "Body temperature": 1, "Fatigue": 1, "Headache": 1, "Heart rate increased": 1, "Hyperpyrexia": 1, "Injection site erythema": 1, "Injection site mass": 1, "Injection site pruritus": 1, "Injection site warmth": 1, "Pain in extremity": 1, "Pruritus": 1, "Pyrexia": 1, "Vaccination site swelling": 1}, "batchcodes": ["063A21A"]}]}