August 21, 2007. A new rule from the Department of Homeland Security (DHS) is set to take effect that establishes procedures for employers to follow when they receive âno-matchâ letters from the Social Security Administration (SSA).
Atypical organisms such as Mycoplasma pneumoniae, Chlamydia pneumoniae, and Legionella pneumophila are implicated in up to 40 percent of cases of community-acquired pneumonia. Antibiotic treatment is empiric and includes coverage for both typical and atypical organisms.
Protists are, for the most part, single-celled organisms. Like other eukaryotes, they have membrane-bound nuclei and organelles. Protists are relatively simple organisms, only because most are unicellular. However, a closer inspection reveals that they really are surprisingly sophisticated.