{"batchcode": "048A22A", "histograms": [{"histogram": {"Chills": 1, "Diarrhoea": 1, "Lethargy": 1, "Nausea": 1, "Retching": 1}, "batchcodes": ["023M20A", "048A22A"]}, {"histogram": {"Headache": 2, "Chills": 1, "Injection site pain": 1, "Malaise": 1, "Oropharyngeal pain": 1, "Pyrexia": 1, "Throat irritation": 1, "Unevaluable event": 1}, "batchcodes": ["048A22A"]}]}