{"batchcode": "021B2119", "histograms": [{"histogram": {"Chills": 1, "Fatigue": 1, "Headache": 1, "Lymphadenopathy": 1, "Muscle swelling": 1, "Myalgia": 1, "Nausea": 1, "Oropharyngeal pain": 1, "Pain": 1, "Pyrexia": 1}, "batchcodes": ["021B2119"]}]}