{"batchcode": "0748C21A E", "histograms": [{"histogram": {"Cough": 1, "Headache": 1, "Lymphadenopathy": 1, "Mobility decreased": 1, "Productive cough": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1}, "batchcodes": ["0748C21A E"]}]}