[27] Approximately 10% of all AIDS cases manifest in the elderly. Therefore Pneumocystis carinii pneumonia (PCP) must also be included in the clinical differential. In more severely ill elderly ...

The fungal cell-wall component (1→3)ß-D-glucan can be present in the sera of individuals with overwhelming systemic fungal infection, including those with Pneumocystis jiroveci pneumonia (PCP).