{"batchcode": "PFIZER 33130BA", "histograms": [{"histogram": {"Chills": 1, "Diarrhoea": 1, "Injection site pain": 1, "Lymphadenopathy": 1, "Nausea": 1, "Pain": 1, "Peripheral swelling": 1, "Pyrexia": 1}, "batchcodes": ["PFIZER 33130BA"]}]}