{"batchcode": "057K20A", "histograms": [{"histogram": {"Chills": 1, "Headache": 1, "Injection site erythema": 1, "Injection site pain": 1, "Pyrexia": 1, "Vaccination site pruritus": 1, "Vaccination site rash": 1}, "batchcodes": ["057K20A"]}]}