{"batchcode": "EX423", "histograms": [{"histogram": {"Myocarditis": 2, "Asthenia": 1, "Cardiac discomfort": 1, "Chills": 1, "Dyspnoea exertional": 1, "Malaise": 1, "Palpitations": 1, "Pericardial effusion": 1, "Pyrexia": 1}, "batchcodes": ["EX423"]}], "Adverse Reaction Reports": 3, "Deaths": 0, "Disabilities": 0, "Life Threatening Illnesses": 0, "Company": "JANSSEN", "Severe reports": null, "Lethality": null}