{"batchcode": "006C21", "histograms": [{"histogram": {"Arthralgia": 1, "Back pain": 1, "Chest pain": 1, "Hypopnoea": 1, "Musculoskeletal pain": 1, "Pain": 1, "Painful respiration": 1, "Pericarditis": 1}, "batchcodes": ["006C21"]}]}