{"batchcode": "04J21A", "histograms": [{"batchcodes": ["029L20A", "038K20A", "04J21A"], "histogram": {"Acute respiratory failure": 1, "Anaemia": 1, "COVID-19": 1, "Cardiac failure acute": 1, "SARS-CoV-2 test positive": 1}}, {"batchcodes": ["04J21A", "050C21A", "053E21A"], "histogram": {"Asphyxia": 1, "Back pain": 1, "Demyelination": 1, "Disturbance in attention": 1, "Dizziness": 1, "Fatigue": 1, "Hyperaesthesia": 1, "Hypertension": 1, "Hypoaesthesia": 1, "Injection site pain": 1, "Laboratory test": 1, "Magnetic resonance imaging head": 1, "Mobility decreased": 1, "Pain": 1, "Pain in extremity": 1, "Pulmonary oedema": 1, "Skin burning sensation": 1, "Skin lesion": 1, "Sleep disorder": 1}}]}