{"batchcode": "1H055A", "histograms": [{"histogram": {"Arthralgia": 2, "Blood test": 2, "Chest discomfort": 2, "Electrocardiogram": 2, "Fatigue": 2, "Myalgia": 2, "Pain in extremity": 2, "Palpitations": 2, "Anti-platelet factor 4 antibody test": 1, "Arrhythmia": 1, "Biochemical pregnancy": 1, "Chest X-ray": 1, "Chest pain": 1, "Computerised tomogram": 1, "Dermatitis": 1, "Discomfort": 1, "Dyspnoea": 1, "Fibrin D dimer": 1, "Full blood count": 1, "Headache": 1, "Influenza": 1, "Leukocytosis": 1, "Limb discomfort": 1, "Myocardial infarction": 1, "Nausea": 1, "Neutrophil percentage": 1, "Overdose": 1, "Platelet count": 1, "Pulmonary embolism": 1, "Pyuria": 1, "Respiration abnormal": 1, "Seizure": 1, "Syncope": 1, "Tachycardia": 1, "Vaccination site pain": 1, "White blood cell count": 1}, "batchcodes": ["1H055A"]}]}