{"batchcode": "GK1667", "histograms": [{"histogram": {"Incorrect product formulation administered": 4, "No adverse event": 2, "Expired product administered": 1, "Extra dose administered": 1, "Inappropriate schedule of product administration": 1, "Interchange of vaccine products": 1, "Off label use": 1, "Unevaluable event": 1, "Vaccination error": 1, "Wrong product administered": 1}, "batchcodes": ["GK1667"]}]}