{"batchcode": "209L20A", "histograms": [{"histogram": {"Arthralgia": 1, "Cardiac monitoring": 1, "Chest pain": 1, "Chills": 1, "Dyspnoea": 1, "Eating disorder": 1, "Fatigue": 1, "Feeling cold": 1, "Headache": 1, "Mobility decreased": 1, "Musculoskeletal stiffness": 1, "Nausea": 1, "Pain": 1, "Palpitations": 1, "Pyrexia": 1, "Vaccination site pain": 1, "Ventricular extrasystoles": 1}, "batchcodes": ["209L20A"]}]}