{"batchcode": "031L20", "histograms": [{"histogram": {"Injection site erythema": 2, "Injection site pain": 2, "Injection site pruritus": 2, "Injection site warmth": 2, "Blood potassium": 1, "Blood sodium": 1, "COVID-19": 1, "COVID-19 pneumonia": 1, "Colitis ulcerative": 1, "Computerised tomogram thorax": 1, "Cough": 1, "Fatigue": 1, "Injection site induration": 1, "Nasal congestion": 1, "Nasal discomfort": 1, "Nasopharyngitis": 1, "Pain in extremity": 1, "Rhinorrhoea": 1, "Sinus congestion": 1, "Vaccination failure": 1}, "batchcodes": ["031L20"]}]}