{"batchcode": "030A2LA", "histograms": [{"histogram": {"Chills": 1, "Fatigue": 1, "Headache": 1, "Pain in extremity": 1}, "batchcodes": ["030A2LA", "031LZOA"]}, {"histogram": {"Fatigue": 1, "Vaccination site pain": 1}, "batchcodes": ["030A2LA"]}]}