{"batchcode": "04/20/2021", "histograms": [{"histogram": {"COVID-19": 1, "Cough": 1, "Nasal congestion": 1, "Oropharyngeal pain": 1, "Pain": 1, "Paranasal sinus hypersecretion": 1, "Rhinorrhoea": 1, "SARS-CoV-2 test positive": 1}, "batchcodes": ["03/23/2021", "04/20/2021"]}]}