{"batchcode": "EW0124", "histograms": [{"histogram": {"Fatigue": 1, "Feeling of body temperature change": 1, "Malaise": 1, "Nasopharyngitis": 1, "Nausea": 1, "Peripheral swelling": 1, "Pyrexia": 1}, "batchcodes": ["EW0124"]}]}