{"batchcode": "027H21", "histograms": [{"histogram": {"Exposure to SARS-CoV-2": 1, "Fatigue": 1, "Headache": 1, "Injection site erythema": 1, "Injection site pain": 1, "Injection site reaction": 1, "Injection site swelling": 1, "Injection site warmth": 1, "Lymphadenopathy": 1, "Myalgia": 1, "Palpitations": 1, "Pharyngeal swelling": 1, "Pyrexia": 1, "SARS-CoV-2 test negative": 1, "Urticaria": 1}, "batchcodes": ["027H21"]}]}