{"batchcode": "MD3004675", "histograms": [{"batchcodes": ["AB0007", "MD3004675", "PV46688"], "histogram": {"Dyspnoea": 1, "Functional gastrointestinal disorder": 1, "Muscle fatigue": 1, "SARS-CoV-2 test": 1, "Tinnitus": 1}}]}