{"batchcode": "201AZ1A", "histograms": [{"histogram": {"Pain": 2, "Headache": 1, "Heart rate increased": 1, "Influenza": 1, "Injection site erythema": 1, "Injection site pain": 1, "Injection site warmth": 1, "Pyrexia": 1}, "batchcodes": ["201AZ1A"]}]}