Microbial Physiology and structure Family Legionellaceae One genus: Legione∥a 25 species and 42 serotypes Legionella pneumophila responsible for 85% of infections(serotype 1 most common) BIOL 533 Lecture 14BIOL 533 5 Lecture 14 Microbial Physiology and Structure • Family Legionellaceae • One genus: Legionella – 25 species and 42 serotypes – Legionella pneumophila responsible for 85% of infections (serotype 1 most common)