Vibrio cholerae Flashcards
What id the serotype of Cholera disease ?
O1& O139
What is the virulence factors of Cholera ?
Cholera toxin
Cholera toxin (A-B toxin): produced by ?
Lysogenic strains
What is the incubation period of Cholera ?
few hours to 5 days
Why is cholera can not couse fever ?
Because it is not invasive infection
Complication is rate especially in ?
children & pregnant woman
Light microscope of cholera show’s?
G - curved bacilli
What is the dark field microscope of cholera ?
darting motility , appearing like “ shooting stars”
What id the agar that use for cholera ?
TCBS agar → sucrose fermenter (yellow colonies)
What is the Treatment of cholera ?
Oral and IV rehydration
What is the vaccine of cholera diseases ?
1- Oral, live attenuated vaccine, contains serogroup O1 & O139. for travelers to endemic areas
2- oral, killed bacteria vaccines, with cholerae toxin B subunit.
Oral live attenuated vaccine of cholera is for ?
Travelers
Oral killed vaccines of cholera is used in ?
Countries where cholera epidemic occur
What is the shape of Vibrio Genus ?
comma-shaped curved bacilli