{"batchcode": "007 M 20A", "histograms": [{"histogram": {"Chest discomfort": 1, "Dyspnoea": 1, "Headache": 1, "Hypopnoea": 1, "Musculoskeletal stiffness": 1, "Pyrexia": 1, "Respiration abnormal": 1}, "batchcodes": ["007 M 20A"]}]}