Viruses, bacteria, a fungus, or (in rare cases) parasites or other organisms can cause pneumonia. 1  In most cases, the specific organism (such as bacteria or virus) cannot be identified even with testing.2  When an organism is identified, it is usually the bacteria Streptococcus pneumoniae.iruses, bacteria, a fungus, or (in rare cases) parasites or other organisms can cause pneumonia. 1  In most cases, the specific organism (such as bacteria or virus) cannot be identified even with testing.
Alabama River. Fish and Fishing in the Alabama River. True to its name, the Alabama River flows through the heart of the state of Alabama. Originating just north of Montgomery, the Alabama River is born from the marriage of the Coosa River and the Tallapoosa River near the Fall Line.
The Great River Road follows the Mississippi River as it runs along the western side of Tennessee. This scenic portion of the Lower Mississippi River offers diverse landscapes. See the Chickasaw Bluffs rising high above the flood plain. Explore the woodlands of Fort Pillow State Park, site of an important Civil War battle.