HowBadIsMyBatch/docs/data/histograms/United States/O13L20A.json

{"batchcode": "O13L20A", "histograms": [{"histogram": {"Vaccination site bruising": 1, "Vaccination site erythema": 1, "Vaccination site mass": 1, "Vaccination site warmth": 1}, "batchcodes": ["O13L20A"]}]}