{"batchcode": "EP6555", "histograms": [{"histogram": {"Fatigue": 2, "Muscle spasms": 1, "Musculoskeletal stiffness": 1, "Myalgia": 1, "Peripheral swelling": 1, "Vaccination site bruising": 1, "Vaccination site mass": 1, "Vaccination site scar": 1}, "batchcodes": ["EP6555"]}]}