All of the following organisms are known to survive intracellularly except: (A) Neisseria meningitides, (B) Salmonella typhi., (C) Streptococcus pyogenes, (D) Legionella pneumophila
Answer is C. 1. Streptococcus pyogenes grows extracellular and causes pyogenic infection. 2. Intracellular bacteria are - Listeria monocytogenes Legionella Yersinia Salmonella typhi Shigella Neisseria Mycobacterium Francisella tularensis Pneumococci. 3. Obligate intracellular (Rickettsia, Chlamydia).