2. A positive culture must demonstrate the presence of C. albicans, isolated from a properly obtained respiratory or blood sample, collected within 72 hours of admission to a hospital. All patients with respiratory cultures must produce sputum with Gram stain analysis indicating the relative absence of contaminating oropharyngeal squamous cells and the presence of a significant number of WBCs and morphologically distinct bacteria. Fluconazole sensitivity testing results must be available for the initial C. albicans isolate.