{"batchcode": "PFIZER EL 3249", "histograms": [{"batchcodes": ["PFIZER EL 3249"], "histogram": {"Dizziness": 1, "Dysphagia": 1, "Eye haemorrhage": 1, "Pharyngeal paraesthesia": 1, "Pharyngeal swelling": 1, "Speech disorder": 1, "Swollen tongue": 1, "Throat clearing": 1}}]}