{"batchcode": "COVID PFIZER", "histograms": [{"batchcodes": ["COVID PFIZER"], "histogram": {"Paraesthesia": 2, "Contusion": 1, "Dizziness": 1, "Fatigue": 1, "Feeling abnormal": 1, "Headache": 1, "Hypoaesthesia": 1, "Inflammation": 1, "Nerve compression": 1, "Pain in extremity": 1, "Peripheral swelling": 1, "Rash pruritic": 1, "Urticaria": 1}}]}