{"batchcode": "FN3465", "histograms": [{"histogram": {"Chest pain": 1, "Dizziness": 1, "Dyspnoea": 1, "Fatigue": 1, "Interchange of vaccine products": 1, "Myalgia": 1, "Nausea": 1, "Off label use": 1}, "batchcodes": ["FN3465"]}]}