HowBadIsMyBatch/docs/data/histograms/United States/042Z20A.json

{"batchcode": "042Z20A", "histograms": [{"batchcodes": ["042Z20A"], "histogram": {"Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site pruritus": 1, "Vaccination site swelling": 1}}]}