{"batchcode": "028 K21A", "histograms": [{"histogram": {"Arthralgia": 1, "Back pain": 1, "Chills": 1, "Fatigue": 1, "Immediate post-injection reaction": 1, "Injection site pain": 1, "Injection site swelling": 1, "Pain": 1, "Pain in extremity": 1, "Peripheral swelling": 1, "Pyrexia": 1, "Swelling": 1}, "batchcodes": ["028 K21A"]}]}