{"batchcode": "EW3344", "histograms": [{"histogram": {"Asthenia": 4, "Dizziness": 4, "Fatigue": 4, "Arthralgia": 3, "Body temperature": 3, "Headache": 3, "Myalgia": 3, "Oedema": 3, "Pyrexia": 3, "Syncope": 3, "Vomiting": 3, "Hyperhidrosis": 2, "Nausea": 2, "Pain": 2, "Abdominal pain": 1, "Body temperature increased": 1, "Cellulitis": 1, "Chest pain": 1, "Chills": 1, "Cough": 1, "Diarrhoea": 1, "Disorientation": 1, "Dyspnoea": 1, "Ecchymosis": 1, "Haematemesis": 1, "Induration": 1, "Inflammation": 1, "Loss of consciousness": 1, "Maternal exposure during pregnancy": 1, "Neck pain": 1, "Nodule": 1, "Oropharyngeal pain": 1, "Pain in extremity": 1, "Pallor": 1, "Respiratory distress": 1, "Seizure": 1, "Sensation of foreign body": 1, "Sensitive skin": 1, "Vaccination error": 1, "Vaccination site haemorrhage": 1, "Vaccination site inflammation": 1, "Vaccination site pain": 1, "Visual analogue scale": 1}, "batchcodes": ["EW3344"]}]}