{"batchcode": "034A21A", "histograms": [{"histogram": {"Arthralgia": 3, "Headache": 3, "Fatigue": 2, "Abdominal pain upper": 1, "Allergy to vaccine": 1, "Body temperature": 1, "Cough": 1, "Expired product administered": 1, "Hypersomnia": 1, "Myalgia": 1, "Neck pain": 1, "Peripheral swelling": 1, "Product storage error": 1, "Pruritus": 1, "Pyrexia": 1, "Rash erythematous": 1, "Rhinorrhoea": 1, "Sneezing": 1, "Stress": 1, "Tenderness": 1, "Urticaria": 1}, "batchcodes": ["034A21A"]}]}