{"batchcode": "039K20A-2A", "histograms": [{"histogram": {"Vaccination site erythema": 2, "Vaccination site warmth": 2, "Anxiety": 1, "Feeling abnormal": 1, "Heart rate increased": 1, "Myalgia": 1, "Pyrexia": 1, "Vaccination site pain": 1}, "batchcodes": ["039K20A-2A"]}]}