{"batchcode": "C000057A", "histograms": [{"batchcodes": ["C000057A"], "histogram": {"COVID-19 immunisation": 2, "Injection site pain": 2, "Injection site reaction": 2, "Myalgia": 2, "Arthralgia": 1, "Chest pain": 1, "Fatigue": 1, "Headache": 1, "Lymphadenopathy": 1, "Malaise": 1, "Musculoskeletal pain": 1, "Pain in extremity": 1, "Pyrexia": 1, "Sleep disorder": 1}}]}