bacteria that cause legionnaires disease
the genus legionella is a pathogenic group of gram negative bacteria that includes the species l pneumophila causing legionellosis all illnesses caused by legionella including a pneumonia type illness called legionnaires disease and a mild flu like illness called pontiac feverhe genus legionella is a pathogenic group of gram negative bacteria that includes the species l pneumophila causing legionellosis all illnesses caused by legionella including a pneumonia type illness called legionnaires disease and a mild flu like illness called pontiac fever