{"batchcode": "ER7449", "histograms": [{"histogram": {"COVID-19": 4, "SARS-CoV-2 test": 4, "Malaise": 3, "Pyrexia": 3, "Drug ineffective": 2, "Headache": 2, "Angioedema": 1, "Asthenia": 1, "Blood pressure measurement": 1, "Cardiac arrest": 1, "Dysphagia": 1, "Haemoptysis": 1, "Hypotension": 1, "Pneumonia bacterial": 1, "Polymerase chain reaction": 1, "Pruritus": 1, "SARS-CoV-2 test positive": 1, "Shock": 1}, "batchcodes": ["ER7449"]}]}