{"batchcode": "PFIZER FC3181", "histograms": [{"batchcodes": ["PFIZER FC3181"], "histogram": {"Chest X-ray normal": 1, "Chest pain": 1, "Erythema": 1, "Extra dose administered": 1, "Fall": 1, "Fatigue": 1, "Goitre": 1, "Head injury": 1, "Headache": 1, "Injection site pain": 1, "Local reaction": 1, "Pruritus": 1, "Swelling": 1, "Syncope": 1, "Wound haemorrhage": 1}}]}