HowBadIsMyBatch/docs/data/histograms/United States/028L220A.json

{"batchcode": "028L220A", "histograms": [{"histogram": {"Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site rash": 1, "Vaccination site swelling": 1}, "batchcodes": ["028L220A"]}]}