{"batchcode": "011020A", "histograms": [{"histogram": {"Pain": 2, "Antibody test": 1, "Axillary pain": 1, "Ear pruritus": 1, "Exposure via skin contact": 1, "Headache": 1, "Injection site pruritus": 1, "Mass": 1, "Product administered at inappropriate site": 1, "Product leakage": 1, "Pruritus": 1, "Throat irritation": 1, "Vaccination site erythema": 1, "Vaccination site haemorrhage": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1, "Vaccination site warmth": 1}, "batchcodes": ["011020A"]}]}