Political action committee. In the United States, a political action committee (PAC) is a type of organization that pools campaign contributions from members and donates those funds to campaign for or against candidates, ballot initiatives, or legislation. The legal term PAC has been created in pursuit of campaign finance reform in the United States. This term is quite specific to all activities of campaign finance in the United States. Democracies of other countries use different terms for the units of campaign spending or spending on political competition (see political finance).
S pneumoniae is the most common cause of community-acquired pneumonia (CAP), bacterial meningitis, bacteremia, and otitis media, as well as an important cause of sinusitis, septic arthritis, osteomyelitis, peritonitis, and endocarditis and an infrequent cause of other less common diseases.See the image below. pneumoniae is the most common cause of community-acquired pneumonia (CAP), bacterial meningitis, bacteremia, and otitis media, as well as an important cause of sinusitis, septic arthritis, osteomyelitis, peritonitis, and endocarditis and an infrequent cause of other less common diseases. See the image below.
Bacterial Pneumonia Causes. 1  Most pneumonia is caused by bacteria or a virus. 2  Pneumonia from any cause can occur at any age, but people in certain age groups are at higher risk for certain types of pneumonia.f you inhale toxic materials, you can injure your lungs and cause chemical pneumonia. Fungus also can cause pneumonia. In certain areas of the United States, specific fungi are well known. Coccidioidomycosis causes a pneumonia called San Joaquin fever or  Valley fever  in the desert regions of California.