{"batchcode": "216042", "histograms": [{"histogram": {"Pyrexia": 5, "Headache": 4, "Tachycardia": 4, "Dizziness": 3, "Hypertensive crisis": 3, "Malaise": 3, "Nausea": 3, "Paraesthesia": 3, "Tinnitus": 3, "Chest pain": 2, "Circulatory collapse": 2, "Fatigue": 2, "Hyperpyrexia": 2, "Loss of consciousness": 2, "Lymphadenopathy": 2, "Vertigo": 2, "Abdominal rigidity": 1, "Alopecia areata": 1, "Arthralgia": 1, "Asthenia": 1, "Back pain": 1, "Blood pressure abnormal": 1, "Blood pressure decreased": 1, "Blood pressure fluctuation": 1, "Body temperature": 1, "Bronchitis": 1, "COVID-19 immunisation": 1, "Cardiac failure acute": 1, "Confusional state": 1, "Cystitis": 1, "Decreased appetite": 1, "Dyspnoea": 1, "Dysstasia": 1, "Echocardiogram": 1, "Electrocardiogram": 1, "Encephalitis": 1, "Exertional headache": 1, "Facial pain": 1, "Galactorrhoea": 1, "Hemiparesis": 1, "Lymph node pain": 1, "Menstruation delayed": 1, "Menstruation irregular": 1, "Myalgia": 1, "Myocarditis": 1, "Neck pain": 1, "Pain": 1, "Pain in extremity": 1, "Pericarditis": 1, "Presyncope": 1, "Pruritus": 1, "Pulmonary embolism": 1, "Rash": 1, "Retching": 1, "Speech disorder": 1, "Syncope": 1, "Tremor": 1, "Urticaria": 1, "Visual acuity reduced": 1}, "batchcodes": ["216042"]}]}