{"batchcode": "015M20H", "histograms": [{"histogram": {"Asthenia": 1, "Condition aggravated": 1, "Headache": 1, "Injection site pain": 1, "Malaise": 1, "Neck mass": 1, "Pyrexia": 1, "Ultrasound scan normal": 1}, "batchcodes": ["013W120A", "015M20H"]}, {"histogram": {"Injection site erythema": 1, "Injection site rash": 1, "Pruritus": 1, "Rash": 1, "Skin discolouration": 1}, "batchcodes": ["015M20H"]}]}