{"batchcode": "O27B21A", "histograms": [{"batchcodes": ["O27B21A"], "histogram": {"Blindness": 1, "Dysphagia": 1, "Headache": 1, "Injection site pain": 1, "Injection site swelling": 1, "Nausea": 1, "Ophthalmological examination": 1, "Pain": 1, "Pyrexia": 1, "Throat tightness": 1, "Vision blurred": 1}}]}