{"batchcode": "EV1768", "histograms": [{"batchcodes": ["EV1768"], "histogram": {"Dizziness postural": 1, "Fatigue": 1, "Feeling abnormal": 1, "Headache": 1, "Illness": 1, "Polymerase chain reaction": 1, "Polymyalgia rheumatica": 1}}]}