HowBadIsMyBatch/docs/data/histograms/United States/31L20A.json

{"batchcode": "31L20A", "histograms": [{"histogram": {"Injection site pruritus": 1, "Tenderness": 1, "Vaccination site erythema": 1, "Vaccination site pain": 1}, "batchcodes": ["31L20A"]}]}