STREPTOCOCCI. General character Gram positive cocci arranged in chains Catalase test negative Fastidious Facultative anaerobes Penicillin sensitive (Streptococcus.
Infections of Respiratory Tract (RT) By Dr. Humodi A. Saeed Associate Prof. of Medical Microbiology College of Medical Laboratory Science Sudan University.
Upper Respiratory Tract Infections Department of Clinical Microbiology .