{"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": 2, "Arteriogram coronary abnormal": 1, "Blood test abnormal": 1, "Body temperature": 1, "Chest X-ray abnormal": 1, "Decreased appetite": 1, "Dysgeusia": 1, "Dyspnoea exertional": 1, "Echocardiogram abnormal": 1, "Facial pain": 1, "Fatigue": 1, "Hepatic pain": 1, "Hypoaesthesia": 1, "Hypoaesthesia oral": 1, "Left ventricular dysfunction": 1, "Malaise": 1, "Myocardial necrosis marker increased": 1, "Pain": 1, "Pyrexia": 1, "Respiratory tract congestion": 1, "Swelling face": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1}, "batchcodes": ["062H21A"]}]}