Yeasts like Candida albicans and Cryptococcus neoformans are common fungal pathogens. C. albicans causes infections like candidiasis when the immune system is weakened or normal flora is disrupted by antibiotics. C. neoformans causes the sub-acute infection cryptococcosis, most commonly manifesting as meningitis. Both fungi are found worldwide and enter the body through inhalation, then diagnosis involves examining specimens like CSF, sputum, or blood under the microscope or through antigen detection tests. Treatment involves antifungal drugs like amphotericin B, fluconazole, or flucytosine.