HowBadIsMyBatch/docs/data/histograms/Global/0021221A.json

{"batchcode": "0021221A", "histograms": [{"batchcodes": ["0021221A", "213021A"], "histogram": {"Vaccination site reaction": 1}}, {"batchcodes": ["0021221A", "21B121A"], "histogram": {"Abdominal pain": 1, "Intestinal obstruction": 1}}]}