Johns Hopkins Antibiotic (ABX) GuidePathogensBacteria

Legionella species (See also: Legionnaires disease)

Legionella species (See also: Legionnaires disease) is a topic covered in the Johns Hopkins Antibiotic (ABX) Guide.

To view the entire topic, please or purchase a subscription.

Johns Hopkins Guides provide diagnosis, management, and treatment guidance for infectious diseases, diabetes, and psychiatric conditions. Explore these free sample topics:

Johns Hopkins Guides

~~ The first section of this topic is shown below ~~

MICROBIOLOGY

  • Gram negative aerobe, cause of legionellosis or Legionnaires’ disease.
  • Common environmental organism, found in warm water sources (e.g., 32°- 45°C temperature range as in warm ponds, air chillers or industrial air conditioning systems).
  • At least 50 species and 70 serogroups, most common human pathogen: L. pneumophila.
    • Other human pathogens (in order of frequency): L. micdadei, L. bozemanae, L. dumoffii and L. longbeachae.
  • Side chain carbohydrate groups (O antigen determinants), thought to most contribute to serological classification of this species.
  • An intracellular pathogen, effective drugs in animal models include fluoroquinolones, macrolides, TMP-SMX, rifampin and doxycycline.

~~ To view the remaining sections of this topic, please
or purchase a subscription ~~

Last updated: August 27, 2012