{"batchcode": "030H2B", "histograms": [{"histogram": {"Arthralgia": 1, "Breast pain": 1, "Condition aggravated": 1, "Dizziness": 1, "Heavy menstrual bleeding": 1, "Interchange of vaccine products": 1, "Menstruation irregular": 1, "Pain": 1, "Pain in extremity": 1, "Palpitations": 1, "Pyrexia": 1}, "batchcodes": ["030H2B"]}]}