{"batchcode": "EW0184", "histograms": [{"histogram": {"Chills": 2, "Anxiety": 1, "Blood pressure decreased": 1, "Confusional state": 1, "Dizziness": 1, "Heart rate decreased": 1, "Hypotension": 1, "Injection site pain": 1, "Nausea": 1, "Pain": 1, "Presyncope": 1}, "batchcodes": ["EW0184"]}]}