{"batchcode": "01NB21A", "histograms": [{"histogram": {"Chills": 1, "Headache": 1, "Injection site hypersensitivity": 1, "Injection site swelling": 1, "Pain": 1, "Pyrexia": 1, "Vomiting": 1}, "batchcodes": ["01NB21A"]}]}