{"batchcode": "002B221A", "histograms": [{"histogram": {"Acoustic stimulation tests": 1, "Deafness": 1, "Ear infection": 1, "Ear pain": 1, "Facial paralysis": 1, "Herpes zoster": 1, "Oropharyngeal pain": 1, "Pyrexia": 1, "Rash": 1, "Swelling face": 1}, "batchcodes": ["002B221A", "046B21A"]}]}