HowBadIsMyBatch/docs/data/histograms/United States/037S21A.json

{"batchcode": "037S21A", "histograms": [{"batchcodes": ["037S21A"], "histogram": {"Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site pruritus": 1, "Vaccination site swelling": 1}}]}