{"batchcode": "001A22A", "histograms": [{"histogram": {"Blood disorder": 1, "Bone pain": 1, "Haemoptysis": 1, "Migraine": 1, "Oral herpes": 1, "Pyrexia": 1, "Rash": 1}, "batchcodes": ["001A22A", "041L20A"]}, {"histogram": {"Arthralgia": 1, "Pyrexia": 1, "Vaccination site pain": 1}, "batchcodes": ["001A22A"]}]}