{"batchcode": "013M20A  ON 02/", "histograms": [{"histogram": {"COVID-19": 1, "Dysphonia": 1, "Headache": 1, "Respiratory tract congestion": 1, "Rhinorrhoea": 1, "SARS-CoV-2 test positive": 1, "Throat irritation": 1}, "batchcodes": ["001M21A   ON 04", "011J20A", "013M20A  ON 02/", "088D21A   ON 08"]}]}