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 Mobile River Basin. The rivers and streams of the Mobile River Basin (streams in Alabama, Georgia, Eastern Mississippi, and Southeast Tennessee) contain the greatest species richness of freshwater snails in North America. The Alabama, Black Warrior, Coosa, Cahaba, and Tombigbee river drainages together comprise the Mobile River Basin.