{"batchcode": "0321C21A", "histograms": [{"histogram": {"Abdominal pain": 1, "Chest discomfort": 1, "Chills": 1, "Dysphagia": 1, "Dysphonia": 1, "Dyspnoea": 1, "Ear pain": 1, "Nausea": 1, "Pain": 1}, "batchcodes": ["0321C21A", "037C21A"]}]}