{"batchcode": "O27L20A", "histograms": [{"batchcodes": ["O12N20A", "O27L20A"], "histogram": {"Chills": 1, "Fatigue": 1, "Injection site pain": 1, "Myalgia": 1, "Nausea": 1}}, {"batchcodes": ["O27L20A"], "histogram": {"Chills": 1, "Fatigue": 1, "Injection site pain": 1, "Myalgia": 1}}]}