{"batchcode": "00C21A", "histograms": [{"batchcodes": ["00C21A", "01721A"], "histogram": {"COVID-19": 1, "SARS-CoV-2 test positive": 1}}, {"batchcodes": ["00C21A"], "histogram": {"Dyspnoea": 2, "Injection site pain": 2, "Myalgia": 2, "No adverse event": 2, "Product storage error": 2, "Cerebrovascular accident": 1, "Erythema": 1, "Fatigue": 1, "Headache": 1, "Hemiparesis": 1, "Infection": 1, "Injection site erythema": 1, "Injection site induration": 1, "Injection site swelling": 1, "Nausea": 1, "Pyrexia": 1, "Seizure": 1, "Swelling": 1, "Syncope": 1, "Tenderness": 1, "Tongue movement disturbance": 1, "Vomiting": 1}}]}