{"batchcode": "045L22A", "histograms": [{"histogram": {"Blood test normal": 1, "Chest X-ray normal": 1, "Dizziness": 1, "Magnetic resonance imaging normal": 1, "Sleep disorder": 1, "Vaccine positive rechallenge": 1, "Vertigo": 1}, "batchcodes": ["045L22A"]}]}