{"batchcode": "3: 023F21A.", "histograms": [{"histogram": {"COVID-19 immunisation": 2, "Arthralgia": 1, "Cerebrovascular accident": 1, "Dizziness": 1, "Musculoskeletal stiffness": 1, "Myalgia": 1, "Vaccination site movement impairment": 1}, "batchcodes": ["3: 023F21A."]}]}