{"batchcode": "0321H21A", "histograms": [{"histogram": {"Chest discomfort": 1, "Cough": 1, "Headache": 1, "Lacrimation increased": 1, "Pyrexia": 1, "Speech disorder": 1, "Tachycardia": 1}, "batchcodes": ["0321H21A"]}]}