{"batchcode": "220107-113", "histograms": [{"histogram": {"COVID-19": 1, "Cough": 1, "Decreased appetite": 1, "SARS-CoV-2 test positive": 1, "Seroma": 1, "Surgery": 1}, "batchcodes": ["220107-113", "EW0158", "EW0179"]}]}