{"batchcode": "046 B21A", "histograms": [{"histogram": {"Feeling cold": 1, "Injection site erythema": 1, "Injection site swelling": 1, "Injection site warmth": 1, "Lymph node pain": 1, "Lymphadenopathy": 1, "Nausea": 1, "Pain": 1, "Pain of skin": 1, "Pyrexia": 1}, "batchcodes": ["046 B21A"]}]}