A protozoan infection of the lungs. Symptoms: Dry hacking cough, shortness of breath, an unusual chest discomfort, fevers and/or difficulty walking up stairs.
A form of pneumonia that commonly appears in persons whose immune systems are highly suppressed such as those with AIDS.
A life-threatening lung infection that affects people with a weakened immune system. More than 75 percent of HIV-positive people may develop PCP if they don't receive treatment.