{"batchcode": "GJ2524", "histograms": [{"histogram": {"Arthralgia": 1, "Pain": 1, "Pain in extremity": 1, "X-ray normal": 1}, "batchcodes": ["029K20A", "039K20A", "FH8027", "GJ2524"]}, {"histogram": {"COVID-19": 1, "COVID-19 immunisation": 1, "Feeling abnormal": 1, "SARS-CoV-2 test": 1, "Vaccination failure": 1}, "batchcodes": ["1808609", "FH8020", "GJ2524"]}, {"histogram": {"COVID-19": 1, "Drug ineffective": 1, "Interchange of vaccine products": 1}, "batchcodes": ["706221A", "GJ2524"]}, {"histogram": {"COVID-19": 1, "SARS-CoV-2 test": 1, "Vaccination failure": 1}, "batchcodes": ["EL3248", "GJ2524"]}, {"histogram": {"Acute kidney injury": 1, "Alanine aminotransferase normal": 1, "Angiogram cerebral normal": 1, "Arteriogram carotid abnormal": 1, "Arteriosclerosis": 1, "Aspartate aminotransferase normal": 1, "Basophil percentage decreased": 1, "Blood albumin normal": 1, "Blood alkaline phosphatase normal": 1, "Blood bilirubin normal": 1, "Blood creatinine increased": 1, "Chest X-ray 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"Pyrexia": 16, "Interchange of vaccine products": 12, "Headache": 10, "Malaise": 10, "Off label use": 10, "Cough": 9, "Chills": 8, "Nausea": 8, "Body temperature": 7, "Oropharyngeal pain": 7, "Vaccination site pain": 7, "Dyspnoea": 6, "Feeling abnormal": 6, "Product use issue": 6, "Rhinorrhoea": 6, "Asthenia": 5, "Dizziness": 5, "Throat irritation": 5, "Arthralgia": 4, "Condition aggravated": 4, "Diarrhoea": 4, "Immunisation": 4, "Lymphadenopathy": 4, "Myalgia": 4, "Pain in extremity": 4, "Respiratory tract congestion": 4, "Bronchitis": 3, "Cerebrovascular accident": 3, "Gait disturbance": 3, "Hypersomnia": 3, "Vaccine breakthrough infection": 3, "Vertigo": 3, "Vomiting": 3, "Arthritis": 2, "Blood test": 2, "Blood test normal": 2, "Burning sensation": 2, "Cerebral thrombosis": 2, "Chest X-ray normal": 2, "Computerised tomogram head abnormal": 2, "Discomfort": 2, "Ear discomfort": 2, "Exposure to SARS-CoV-2": 2, "Haemoglobin decreased": 2, "Influenza virus test negative": 2, "Lymph node 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