{"batchcode": "004/M20A", "histograms": [{"histogram": {"Asthenia": 1, "Cold sweat": 1, "Ear pain": 1, "Fatigue": 1, "Feeling cold": 1, "Headache": 1, "Magnetic resonance imaging": 1, "Mobility decreased": 1, "Oropharyngeal pain": 1, "Pain": 1, "SARS-CoV-2 test negative": 1}, "batchcodes": ["004/M20A", "039K20-2A"]}]}