HowBadIsMyBatch/docs/data/histograms/United States/013MWA.json

{"batchcode": "013MWA", "histograms": [{"histogram": {"Vaccination site erythema": 1, "Vaccination site pain": 1, "Vaccination site swelling": 1, "Vaccination site warmth": 1}, "batchcodes": ["013MWA"]}]}