{"batchcode": "011J209", "histograms": [{"histogram": {"Pruritus": 3, "Peripheral swelling": 2, "Rash": 2, "Urticaria": 2, "Erythema": 1, "Flushing": 1, "Injection site erythema": 1, "Injection site pruritus": 1, "Injection site swelling": 1, "Lymphadenopathy": 1, "Maternal exposure before pregnancy": 1, "Pain": 1, "Rash erythematous": 1, "Skin irritation": 1, "Tinnitus": 1, "Vaccination site erythema": 1, "Vaccination site warmth": 1}, "batchcodes": ["011J209"]}]}