{"batchcode": "300042722", "histograms": [{"histogram": {"Pericarditis": 2, "Cellulitis": 1, "Chills": 1, "Computerised tomogram": 1, "Decreased appetite": 1, "Fatigue": 1, "Headache": 1, "Muscle twitching": 1, "Myocarditis": 1, "Neck pain": 1, "Pruritus": 1, "Pyrexia": 1, "Urticaria": 1, "Vaccination site erythema": 1, "Vaccination site pruritus": 1, "Vaccination site rash": 1, "Vaccination site reaction": 1}, "batchcodes": ["300042722"]}]}