{"batchcode": "044321A", "histograms": [{"histogram": {"Injection site pain": 1, "Injection site pruritus": 1, "Injection site reaction": 1, "Rash erythematous": 1, "Vaccination complication": 1, "Vaccination site pruritus": 1, "Vaccination site urticaria": 1}, "batchcodes": ["044321A"]}]}