{"batchcode": "062H21A", "histograms": [{"histogram": {"Arthralgia": 1, "Blood test normal": 1, "Carpal tunnel syndrome": 1, "Compartment syndrome": 1, "Fibrin D dimer normal": 1, "Heart rate irregular": 1, "Hypotension": 1, "Immunisation reaction": 1, "Laboratory test": 1, "Magnetic resonance imaging normal": 1, "Malaise": 1, "Nausea": 1, "Paget-Schroetter syndrome": 1, "Pain": 1, "Pain in extremity": 1, "Peripheral swelling": 1, "Rhabdomyolysis": 1, "Subclavian vein thrombosis": 1, "Thrombosis": 1}, "batchcodes": ["037C21A", "047C21A", "062H21A"]}, {"histogram": {"Dyspnoea": 3, "COVID-19": 2, "Drug ineffective": 2, "Hypoaesthesia": 2, "Tinnitus": 2, "Acute kidney injury": 1, "Arteriogram coronary abnormal": 1, "Atrial fibrillation": 1, "Blood test abnormal": 1, "Body temperature": 1, "Cardiac failure": 1, "Cardiomyopathy": 1, "Chest X-ray abnormal": 1, "Chest pain": 1, "Constipation": 1, "Decreased appetite": 1, "Dizziness": 1, "Dysarthria": 1, "Dysgeusia": 1, "Dyspnoea exertional": 1, "Echocardiogram abnormal": 1, "Facial pain": 1, "Facial paresis": 1, "Fatigue": 1, "Flatulence": 1, "Giant cell myocarditis": 1, "Hemiparesis": 1, "Hepatic pain": 1, "Hyperhidrosis": 1, "Hypertension": 1, "Hypervolaemia": 1, "Hypoaesthesia oral": 1, "Hypothyroidism": 1, "Interchange of vaccine products": 1, "Ischaemic hepatitis": 1, "Left ventricular dysfunction": 1, "Malaise": 1, "Myocardial necrosis marker increased": 1, "Myocarditis": 1, "Pain": 1, "Palpitations": 1, "Paraesthesia": 1, "Pyrexia": 1, "Respiratory tract congestion": 1, "SARS-CoV-2 test": 1, "Swelling face": 1, "Tachycardia": 1, "Tremor": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1}, "batchcodes": ["062H21A"]}]}