{"batchcode": "012720A", "histograms": [{"histogram": {"Colitis ulcerative": 1, "Condition aggravated": 1, "Gait disturbance": 1, "Haematochezia": 1, "Impaired work ability": 1, "Mobility decreased": 1, "Transfusion": 1, "Vomiting": 1}, "batchcodes": ["003A21A", "012720A"]}, {"histogram": {"COVID-19": 1, "SARS-CoV-2 test positive": 1}, "batchcodes": ["004M20A", "012720A"]}, {"histogram": {"Erythema": 1, "Induration": 1, "Injection site erythema": 1, "Injection site induration": 1, "Injection site warmth": 1, "Skin warm": 1}, "batchcodes": ["012720A"]}]}