{"batchcode": "21C1102", "histograms": [{"histogram": {"Guillain-Barre syndrome": 1, "Headache": 1, "Malaise": 1, "Postmenopausal haemorrhage": 1, "Pyrexia": 1, "Retinal vascular thrombosis": 1}, "batchcodes": ["21C1102"]}]}