{"batchcode": "EIC4237", "histograms": [{"histogram": {"Arthralgia": 1, "Disturbance in attention": 1, "Limb discomfort": 1, "Malaise": 1, "Musculoskeletal discomfort": 1, "Pain in extremity": 1, "Peripheral swelling": 1, "SARS-CoV-2 test": 1, "Swelling": 1}, "batchcodes": ["EIC4237"]}]}