{"batchcode": "30M20A", "histograms": [{"batchcodes": ["30M20A"], "histogram": {"Arthralgia": 1, "Balance disorder": 1, "Bone pain": 1, "Chills": 1, "Decreased appetite": 1, "Feeling abnormal": 1, "Feeling cold": 1, "Headache": 1, "Hyperhidrosis": 1, "Incomplete course of vaccination": 1, "Injection site erythema": 1, "Injection site warmth": 1, "Malaise": 1, "Pain": 1, "Paraesthesia": 1, "Pyrexia": 1, "Throat tightness": 1}}]}