{"batchcode": "020J21A", "histograms": [{"histogram": {"Myopericarditis": 3, "Chills": 2, "Abdominal pain upper": 1, "Aortic valve incompetence": 1, "COVID-19": 1, "Chest discomfort": 1, "Chest pain": 1, "Diarrhoea": 1, "Drug ineffective": 1, "Dyspepsia": 1, "Dyspnoea": 1, "Fibrosis": 1, "Hypokinesia": 1, "Hypoperfusion": 1, "Left ventricular dysfunction": 1, "Left ventricular hypertrophy": 1, "Malaise": 1, "Mitral valve incompetence": 1, "Myocardial oedema": 1, "Myocarditis": 1, "Pain": 1, "Renal failure": 1, "Right ventricular dilatation": 1, "SARS-CoV-2 test": 1, "Tricuspid valve incompetence": 1, "Vaccination site pain": 1, "Ventricular tachycardia": 1, "Vomiting": 1}, "batchcodes": ["020J21A"]}]}