{"batchcode": "045021A", "histograms": [{"histogram": {"Arthralgia": 1, "Arthritis": 1, "Asthenia": 1, "Cerebrovascular accident": 1, "Condition aggravated": 1, "Electrocardiogram": 1, "Fatigue": 1, "Hypersensitivity": 1, "Incorrect dose administered": 1, "Magnetic resonance imaging": 1, "Migraine": 1, "Myalgia": 1, "Nausea": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site pruritus": 1, "Vaccination site reaction": 1, "Vaccination site swelling": 1, "Vaccination site warmth": 1, "Vomiting": 1}, "batchcodes": ["045021A"]}]}