{"batchcode": "029H20A", "histograms": [{"histogram": {"Asthenia": 1, "Breast feeding": 1, "Burning sensation": 1, "Dizziness": 1, "Fatigue": 1, "Lethargy": 1, "Maternal exposure during breast feeding": 1, "Peripheral swelling": 1, "Vaccination site pain": 1, "Vertigo": 1}, "batchcodes": ["029H20A"]}]}