{"batchcode": "0321321A", "histograms": [{"histogram": {"Headache": 2, "Injection site bruising": 2, "Tinnitus": 2, "Abdominal pain upper": 1, "Ear discomfort": 1, "Ear pain": 1, "Injection site erythema": 1, "Injection site pain": 1, "Injection site warmth": 1, "Lymphadenopathy": 1, "Pain in extremity": 1, "Pruritus": 1, "SARS-CoV-2 test": 1, "Skin haemorrhage": 1}, "batchcodes": ["0321321A"]}]}