{"batchcode": "032L2ON", "histograms": [{"histogram": {"Arthralgia": 1, "Blood test": 1, "Herpes zoster": 1, "Joint swelling": 1}, "batchcodes": ["022M20A", "032L2ON"]}, {"histogram": {"Ear discomfort": 1, "Ear pain": 1, "Erythema": 1, "Formication": 1, "Nausea": 1, "Paraesthesia": 1, "Pruritus": 1, "Tinnitus": 1}, "batchcodes": ["032L2ON"]}]}