{"batchcode": "031E21A", "histograms": [{"histogram": {"Blood test": 1, "Fatigue": 1, "Full blood count abnormal": 1, "Headache": 1, "Oropharyngeal pain": 1, "Pain in extremity": 1, "Streptococcus test negative": 1, "Swelling": 1, "Tonsillar hypertrophy": 1, "Viral test positive": 1}, "batchcodes": ["031E21A"]}]}