{"batchcode": "FH3221", "histograms": [{"histogram": {"SARS-CoV-2 test": 2, "Blood test": 1, "COVID-19": 1, "Chest discomfort": 1, "Chest pain": 1, "Condition aggravated": 1, "Connective tissue disorder": 1, "Costochondritis": 1, "Dyspnoea": 1, "Echocardiogram": 1, "Pericarditis": 1, "Postural orthostatic tachycardia syndrome": 1, "Vaccination failure": 1, "Viral infection": 1}, "batchcodes": ["FH3221"]}]}