{"batchcode": ".025821A", "histograms": [{"histogram": {"Blood test normal": 1, "Injection site erythema": 1, "Injection site induration": 1, "Injection site pain": 1, "Injection site swelling": 1, "Magnetic resonance imaging normal": 1, "Vaccine positive rechallenge": 1}, "batchcodes": [".025821A"]}]}