{"batchcode": "201A21", "histograms": [{"histogram": {"Arthralgia": 2, "Headache": 2, "Hyperhidrosis": 2, "Back pain": 1, "Blood glucose increased": 1, "Blood test": 1, "Chest X-ray": 1, "Chest pain": 1, "Computerised tomogram thorax": 1, "Disturbance in attention": 1, "Dizziness": 1, "Dyspnoea": 1, "Dyspnoea exertional": 1, "Electrocardiogram": 1, "Electroencephalogram": 1, "Exercise tolerance decreased": 1, "Fatigue": 1, "Impaired driving ability": 1, "Influenza A virus test negative": 1, "Influenza B virus test": 1, "Injection site pain": 1, "Lymphocyte percentage decreased": 1, "Lymphocyte percentage increased": 1, "Magnetic resonance imaging head": 1, "Mean cell volume normal": 1, "Mean platelet volume normal": 1, "Neutrophil percentage decreased": 1, "Neutrophil percentage increased": 1, "Pain in extremity": 1, "Palpitations": 1, "Paraesthesia": 1, "Platelet count decreased": 1, "Respiratory syncytial virus test negative": 1, "Restless legs syndrome": 1, "SARS-CoV-2 test negative": 1, "Syncope": 1, "White blood cell count decreased": 1}, "batchcodes": ["201A21"]}]}