{"batchcode": "FC3813", "histograms": [{"batchcodes": ["FC3181", "FC3813"], "histogram": {"COVID-19": 1, "SARS-CoV-2 test positive": 1}}, {"batchcodes": ["FC3813"], "histogram": {"Extra dose administered": 2, "Interchange of vaccine products": 2, "Cardiac flutter": 1, "Chest pain": 1, "Confusional state": 1, "Dizziness": 1, "Headache": 1, "Lymphadenopathy": 1, "Musculoskeletal stiffness": 1, "Tachycardia": 1}}]}