Legionella micdadei
Encyclopedia
Legionella micdadei is the only species of Legionella
that stains acid-fast. It stains weakly acid fast and loses this trait upon being grown in culture. It is the agent responsible for "Pittsburgh pneumonia".
Legionella
Legionella is a pathogenic Gram negative bacterium, including species that cause legionellosis or Legionnaires' disease, most notably L. pneumophila. It may be readily visualized with a silver stain....
that stains acid-fast. It stains weakly acid fast and loses this trait upon being grown in culture. It is the agent responsible for "Pittsburgh pneumonia".