{"batchcode": "EP9798", "histograms": [{"histogram": {"Headache": 1, "Injected limb mobility decreased": 1, "Pyrexia": 1, "Vaccination site erythema": 1, "Vaccination site induration": 1, "Vaccination site pruritus": 1, "Vertigo positional": 1}, "batchcodes": ["EP9798"]}]}