{"batchcode": "PFIZEREL9268", "histograms": [{"batchcodes": ["PFIZEREL9268"], "histogram": {"Oropharyngeal pain": 2, "Chills": 1, "Fatigue": 1, "Headache": 1, "Myalgia": 1, "Nausea": 1, "Ocular hyperaemia": 1, "Pain": 1, "Rash": 1}}]}