{"batchcode": "NK0155", "histograms": [{"batchcodes": ["NK0155", "PAA156571"], "histogram": {"Heart rate": 1, "Heart rate increased": 1, "Interchange of vaccine products": 1, "Off label use": 1, "Oxygen saturation": 1, "Oxygen saturation decreased": 1}}, {"batchcodes": ["NK0155"], "histogram": {"Diarrhoea": 1, "Headache": 1, "Pain": 1}}]}