pneumocystis pneumonia
应该就是爱滋，或者其它免疫低下的原因致病
What is pneumocystis pneumonia?
Pneumocystis pneumonia (PCP) is a serious infection that causes inflammation
and fluid buildup in your lungs. It's caused by a fungus called
Pneumocystis jiroveci that's likely spread through the air. This fungus is
very common. ... PCP isn't hard to treat and prevent. A healthy immune
system can easily control it.
