{"batchcode": "EG3527", "histograms": [{"histogram": {"Arthralgia": 1, "Immunisation": 1, "Lymphadenopathy": 1, "Rash erythematous": 1, "Rash papular": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1}, "batchcodes": ["EG3527"]}]}