{"batchcode": "211J21A", "histograms": [{"histogram": {"Headache": 2, "Malaise": 2, "COVID-19 immunisation": 1, "Neck pain": 1, "Off label use": 1, "Pain": 1, "Photophobia": 1, "Pyrexia": 1, "Urticaria": 1}, "batchcodes": ["211J21A"]}]}