HowBadIsMyBatch/docs/data/histograms/United States/M013L20A.json

{"batchcode": "M013L20A", "histograms": [{"histogram": {"Erythema": 1, "Vaccination site erythema": 1, "Vaccination site mass": 1, "Vaccination site pruritus": 1}, "batchcodes": ["M013L20A"]}]}