{"batchcode": "SDDN7", "histograms": [{"batchcodes": ["SDDN7"], "histogram": {"Immunisation": 19, "Dyspnoea": 15, "COVID-19": 14, "Headache": 14, "Pyrexia": 12, "SARS-CoV-2 test": 10, "Vaccination failure": 10, "Chest pain": 9, "Body temperature": 8, "Echocardiogram": 8, "Fatigue": 8, "Drug ineffective": 7, "Nausea": 7, "Pericarditis": 7, "Tachycardia": 7, "Heart rate": 6, "Pain in extremity": 6, "Arthralgia": 5, "Asthenia": 5, "Blood pressure measurement": 5, "Blood test": 5, "Chest discomfort": 5, "Cough": 5, "Electrocardiogram": 5, "Inappropriate schedule of product administration": 5, "Investigation": 5, "Myocarditis": 5, "Paraesthesia": 5, "Specialist consultation": 5, "Ultrasound Doppler": 5, "C-reactive protein": 4, "Fibrin D dimer": 4, "Loss of consciousness": 4, "Lymphadenopathy": 4, "Myalgia": 4, "Off label use": 4, "Oxygen saturation": 4, "Pain": 4, "Syncope": 4, "Vomiting": 4, "Abdominal pain": 3, "Diarrhoea": 3, "Oropharyngeal pain": 3, "Pruritus": 3, "Pulmonary embolism": 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