{"batchcode": "F19264", "histograms": [{"batchcodes": ["F19264"], "histogram": {"Back pain": 1, "Chills": 1, "Headache": 1, "Pyrexia": 1, "Swelling": 1, "Vaccination site erythema": 1, "Vaccination site pruritus": 1, "Vaccination site warmth": 1}}]}