{"batchcode": "EL0725", "histograms": [{"histogram": {"Hypertension": 4, "Nausea": 4, "Blood pressure measurement": 3, "COVID-19": 3, "Syncope": 3, "Ultrasound scan": 3, "Vaccination failure": 3, "Chills": 2, "Dizziness": 2, "Fatigue": 2, "Heart rate": 2, "Laboratory test": 2, "Musculoskeletal pain": 2, "SARS-CoV-2 test": 2, "Tachycardia": 2, "Abdominal discomfort": 1, "Anaphylactic reaction": 1, "Asthenia": 1, "Asthma": 1, "Axillary lymphadenectomy": 1, "Blood creatinine": 1, "Blood fibrinogen": 1, "Blood fibrinogen increased": 1, "Blood uric acid": 1, "Body temperature": 1, "Borrelia test": 1, "Breast haematoma": 1, "Breast pain": 1, "Cardiovascular disorder": 1, "Chest X-ray": 1, "Chest pain": 1, "Cold sweat": 1, "Cough": 1, "Death": 1, "Diarrhoea": 1, "Double stranded DNA antibody": 1, "Dysaesthesia": 1, "Dysphagia": 1, "Dyspnoea exertional": 1, "Electrocardiogram normal": 1, "Facial paralysis": 1, "Fibrin D dimer": 1, "Glomerular filtration rate": 1, "Hypersensitivity": 1, "Investigation": 1, "Joint swelling": 1, "Lymph node pain": 1, "Lymphadenopathy": 1, "Macular oedema": 1, "Magnetic resonance imaging": 1, "Mammogram": 1, "Monoplegia": 1, "Muscle spasms": 1, "Muscle twitching": 1, "Muscular weakness": 1, "Myalgia": 1, "Myelodysplastic syndrome": 1, "Myoclonus": 1, "Oedema peripheral": 1, "Pallor": 1, "Paraesthesia oral": 1, "Pharyngeal paraesthesia": 1, "Platelet count": 1, "Pulmonary embolism": 1, "Pyrexia": 1, "Retinal vein thrombosis": 1, "Rhinitis": 1, "SARS-CoV-2 test positive": 1, "Salivary gland enlargement": 1, "Sensory disturbance": 1, "Serology test": 1, "Sickle cell anaemia with crisis": 1, "Sinusitis": 1, "Specialist consultation": 1, "Speech disorder": 1, "Systemic lupus erythematosus": 1, "Tendonitis": 1, "Thrombocytopenia": 1, "Type II hypersensitivity": 1, "Vaccination site pain": 1}, "batchcodes": ["EL0725"]}]}