{"batchcode": "EW0150 OR CW015", "histograms": [{"batchcodes": ["EW0150 OR CW015"], "histogram": {"Headache": 2, "Herpes zoster": 2, "Chills": 1, "Ear pain": 1, "Facial pain": 1, "Gingival pain": 1, "Pain in jaw": 1, "Toothache": 1}}]}