{"batchcode": "EL1406", "histograms": [{"histogram": {"Fatigue": 3, "Headache": 3, "Chills": 2, "Diarrhoea": 2, "Pruritus": 2, "Rhinorrhoea": 2, "Sneezing": 2, "Back pain": 1, "Blood pressure measurement": 1, "Brain stem auditory evoked response": 1, "COVID-19": 1, "Cough": 1, "Deafness unilateral": 1, "Dizziness": 1, "Drug ineffective": 1, "Electrocardiogram": 1, "Erythema": 1, "Eye irritation": 1, "Eyelid function disorder": 1, "Facial paralysis": 1, "Feeling hot": 1, "Hypertension": 1, "Hypotension": 1, "Lacrimation increased": 1, "Lethargy": 1, "Magnetic resonance imaging": 1, "Magnetic resonance imaging head": 1, "Menstruation delayed": 1, "Mucosal disorder": 1, "Musculoskeletal stiffness": 1, "Myalgia": 1, "Neck pain": 1, "Neuralgia": 1, "Oligomenorrhoea": 1, "Oxygen saturation": 1, "Pain": 1, "Pain in jaw": 1, "Paraesthesia": 1, "Peripheral swelling": 1, "Reflexes abnormal": 1, "SARS-CoV-2 test": 1, "Spinal myelogram": 1, "Swelling face": 1, "Swelling of eyelid": 1, "Syncope": 1, "Tenderness": 1, "Throat tightness": 1, "Thrombosis": 1, "Tinnitus": 1, "Vaccination site pain": 1, "Vertigo": 1, "Visual impairment": 1}, "batchcodes": ["EL1406"]}]}