{"batchcode": "CD3969", "histograms": [{"batchcodes": ["CD3969"], "histogram": {"Arthralgia": 1, "Body temperature": 1, "Chills": 1, "Hyperhidrosis": 1, "Muscle tightness": 1, "Pain": 1, "Pain in extremity": 1, "Pyrexia": 1, "SARS-CoV-2 test": 1, "Vaccination site induration": 1, "Vaccination site pain": 1}}]}