{"batchcode": "EL0200", "histograms": [{"histogram": {"Body temperature": 3, "Nausea": 3, "Pyrexia": 3, "Headache": 2, "Malaise": 2, "Abdominal X-ray": 1, "Ageusia": 1, "Amniocentesis": 1, "Arthralgia": 1, "Asthenia": 1, "Blepharospasm": 1, "Blood pressure measurement": 1, "Body temperature increased": 1, "C-reactive protein": 1, "C-reactive protein increased": 1, "Chills": 1, "Cough": 1, "Dizziness": 1, "Facial paresis": 1, "Fallot's tetralogy": 1, "Feeling cold": 1, "Gait disturbance": 1, "Haematemesis": 1, "Hypertension": 1, "Hypoaesthesia oral": 1, "Joint stiffness": 1, "Leukopenia": 1, "Loss of consciousness": 1, "Magnetic resonance imaging head": 1, "Maternal exposure during pregnancy": 1, "Myalgia": 1, "Nasal congestion": 1, "Neck pain": 1, "Nystagmus": 1, "SARS-CoV-2 test": 1, "Tachycardia": 1, "Vaccination complication": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vision blurred": 1, "White blood cell count": 1, "X-ray": 1}, "batchcodes": ["EL0200"]}]}