{"batchcode": "2001A21A", "histograms": [{"histogram": {"Vaccination site pain": 3, "Dyspnoea": 1, "Forearm fracture": 1, "Head discomfort": 1, "Loss of personal independence in daily activities": 1, "Movement disorder": 1, "Muscle disorder": 1, "Musculoskeletal discomfort": 1, "Myalgia": 1, "Pain": 1, "Vaccination complication": 1}, "batchcodes": ["2001A21A"]}]}