{"batchcode": "300042460", "histograms": [{"histogram": {"Syncope": 2, "Acute respiratory distress syndrome": 1, "Anaphylactic reaction": 1, "Asthenia": 1, "Dizziness": 1, "Headache": 1, "Heart rate": 1, "Hypotension": 1, "Pyrexia": 1}, "batchcodes": ["300042460"]}]}