{"batchcode": "120L20A", "histograms": [{"histogram": {"Injection site swelling": 2, "Injection site warmth": 2, "Erythema": 1, "Headache": 1, "Injection site pruritus": 1, "Injection site rash": 1, "Pain": 1, "Peripheral swelling": 1, "Pruritus": 1, "Unevaluable event": 1, "Vaccination site erythema": 1, "Vaccination site pruritus": 1}, "batchcodes": ["120L20A"]}]}