{"batchcode": "001021A", "histograms": [{"histogram": {"Arthralgia": 2, "Chest pain": 2, "Fatigue": 2, "Joint swelling": 2, "Affect lability": 1, "Blepharospasm": 1, "COVID-19": 1, "Chest X-ray normal": 1, "Disturbance in attention": 1, "Dizziness": 1, "Dyspnoea": 1, "Ear discomfort": 1, "Echocardiogram normal": 1, "Facial paralysis": 1, "Feeling abnormal": 1, "Headache": 1, "Hypoacusis": 1, "Injection site erythema": 1, "Injection site warmth": 1, "Joint stiffness": 1, "Lagophthalmos": 1, "Magnetic resonance imaging head abnormal": 1, "Nausea": 1, "Noninfective encephalitis": 1, "Pain": 1, "Pain in extremity": 1, "Pyrexia": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site pruritus": 1, "Vertigo": 1, "Vomiting": 1}, "batchcodes": ["001021A"]}]}