{"batchcode": "FCZ336", "histograms": [{"batchcodes": ["FCZ336"], "histogram": {"Arthralgia": 2, "Chills": 2, "Fatigue": 2, "Headache": 2, "Malaise": 2, "Myalgia": 2, "Nausea": 2, "Pyrexia": 2, "Vaccination site reaction": 2, "Confusional state": 1, "Dyspnoea": 1, "Extensive swelling of vaccinated limb": 1, "Pulmonary embolism": 1}}]}