ATYPICAL BACTERIA:  MYCOPLASMA  MYCOPLASMA  RICKETTSIA  Small gram-negative non-motile facultatively anaerobic bacteria that lack a true cell wall and require sterol for growth.  Gram negative, obligate intracellular, non acid fast bacteria  Gram negative, obligate bacteria which reproduce by binary fission  coccoid    M.leprae    M.pneumoniae  Leprosy  Atypical Pneumonia                  COXIELLA  CHLAMYDIA        Gram-negative,     , obligate    intracellular bacteria  M.homonis  U.urealyticum  Genital tract infection  R.tsutsugamusti  R.typhi  Scrub typhus  R.prowazeki  Typhus  R.rickettsi  C.burnetti  Rocky Mountain Spotted fever  Q fever  C.trachomatis  C.psittaci  Genital Chlamyida  Psittacosis  C.pneumoniae  Atypical pneumonia

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