Isolation and Characterization of a Nonfluorescent Strain of Legionella parisiensis

Legionella species are gram-negative environmental bacteria that replicate within amoebae and other protozoa. After transmission to humans, pneumonia, influenza-like illness, or asymptomatic infection may occur ([1][1]). So far, 50 Legionella spp. have been described ([www.bacterio.cict.fr][2]).