{"batchcode": "016F21A", "histograms": [{"histogram": {"Angina pectoris": 1, "Blood test": 1, "Bone pain": 1, "Chest X-ray": 1, "Chest pain": 1, "Echocardiogram": 1, "Fatigue": 1, "Fluid retention": 1, "Myalgia": 1, "Myocarditis": 1, "Pain in extremity": 1, "Pericarditis": 1, "Sleep disorder": 1}, "batchcodes": ["016E21A", "016F21A", "4120Z003"]}, {"histogram": {"Chills": 1, "Grip strength decreased": 1, "Headache": 1, "Muscular weakness": 1, "Nausea": 1, "Pain in extremity": 1, "Pyrexia": 1}, "batchcodes": ["016F21A"]}]}