{"batchcode": "0311A21A", "histograms": [{"batchcodes": ["010AZ1A", "0311A21A", "059F22A", "939904"], "histogram": {"Arthralgia": 1, "Headache": 1, "Injection site erythema": 1, "Injection site pain": 1, "Injection site swelling": 1, "Musculoskeletal pain": 1, "Nausea": 1, "Neck pain": 1, "Pain": 1}}, {"batchcodes": ["0311A21A", "031L20A", "051F21A"], "histogram": {"COVID-19": 1, "SARS-CoV-2 test positive": 1}}, {"batchcodes": ["0311A21A"], "histogram": {"Injection site erythema": 1, "Injection site pruritus": 1, "Injection site swelling": 1}}]}