{"batchcode": "010M220A", "histograms": [{"histogram": {"Axillary pain": 1, "Blood test": 1, "Dyspnoea": 1, "Fatigue": 1, "Feeling abnormal": 1, "Feeling jittery": 1, "Headache": 1, "Injection site erythema": 1, "Injection site swelling": 1, "Nervousness": 1, "Pain": 1, "Palpitations": 1, "Pyrexia": 1, "Vaccination site pain": 1}, "batchcodes": ["010M220A"]}]}