{"batchcode": "PFREL3246", "histograms": [{"histogram": {"Biopsy": 1, "Diarrhoea": 1, "Headache": 1, "Inflammation": 1, "Magnetic resonance imaging abnormal": 1, "Pain": 1, "Pyrexia": 1, "Tissue infiltration": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1}, "batchcodes": ["PFREL3246"]}]}