[Incidence of Haemophilus influenzae in throat cultures]

Present study is carried out in order to determine the incidence of Haemophilus influenzae in the throat cultures examined Microbiology Laboratory of Hacettepe Children's Hospital. Throat culture specimens were first inoculated into blood agar and also tryptic soy agar plates. BVX, BV and BX discs were placed on inoculated tryptic soy agar surface for selective growth. The colonies grown around discs were also subjected to agglutination test with specific monovalent and polyvalent antisera for definite diagnosis. As a result, 37 H. influenzae (% 2.96) isolated out of 1249 throat culture tested and 12 (0.96) of isolates classified as type b.