{"batchcode": "0000ZZA", "histograms": [{"histogram": {"SARS-CoV-2 test": 2, "Limb discomfort": 1, "Lymphadenopathy": 1, "Maternal exposure during pregnancy": 1, "Peripheral swelling": 1, "Tachycardia": 1}, "batchcodes": ["0000ZZA"]}]}