Bordetella Flashcards
Bacteria causes pertussis
B.pertussis
B.parapertussis
Reservoir for whooping cough ?
Human reservoir only not animal or environment
What are stages of pertussis ?
Catarrhal stage
Paroxysmal stage
Convalescent stage
What are distinguishing features of bordetella ?
1-gram negative rods
2-strict aerobes
3-strict human pathogens
4-non invasive
Is bordetella pertussis capsulated ?
Yes
Adhesions in bordetella pertussis by ?
1-filamentous agglutination
2-fimbriae
3-pertacin
Toxins in B.pertussis ?
Pertussis toxin Adenylate cyclase toxin Tracheal toxin Dermonecrotic toxin Heat liable toxin Lipopolysaccharides
Which toxin destroy cilia on respiratory epithelial cells ?
Tracheal toxin
Which toxin destroy tracheal tissue ?
Dermonecrotic toxin
How many days in incubation periods ?
7-10 days
What are complications result from pertussis?
Encephalopathy
Pneumonia
Seizures
What vaccine in the case of pertussis ?
DTaP , contain filamentous agglutination and pertussis toxids