{"batchcode": "027021A", "histograms": [{"histogram": {"Injection site pain": 2, "Neck pain": 2, "Chest pain": 1, "Fatigue": 1, "Injection site mass": 1, "Injection site rash": 1, "Injection site swelling": 1, "Migraine": 1, "Musculoskeletal stiffness": 1, "Pain": 1, "Pain in extremity": 1, "Palpitations": 1, "Rash": 1, "Stomatitis": 1, "Vaccination complication": 1}, "batchcodes": ["027021A"]}]}