Haemophilus parainfluenzae was isolated from the bile specimens of 2 patien
ts with acute cholecystitis. The strains were genetically unrelated by the
random amplified polymorphic DNA (RAPD), The 2 H. parainfluenzae strains re
presented 11.7% of all positive bile cultures inoculated in blood culture b
ottles, The routine inoculation of bile specimens in media able to support
growth of Haemophilus species should be considered.