Vibrio cholerae

Question 1

What id the serotype of Cholera disease ?

Answer 1

O1& O139

Question 2

What is the virulence factors of Cholera ?

Answer 2

Cholera toxin

Question 3

Cholera toxin (A-B toxin): produced by ?

Answer 3

Lysogenic strains

Question 4

What is the incubation period of Cholera ?

Answer 4

few hours to 5 days

Question 5

Why is cholera can not couse fever ?

Answer 5

Because it is not invasive infection

Question 6

Complication is rate especially in ?

Answer 6

children & pregnant woman

Question 7

Light microscope of cholera show’s?

Answer 7

G - curved bacilli

Question 8

What is the dark field microscope of cholera ?

Answer 8

darting motility , appearing like “ shooting stars”

Question 9

What id the agar that use for cholera ?

Answer 9

TCBS agar → sucrose fermenter (yellow colonies)

Question 10

What is the Treatment of cholera ?

Answer 10

Oral and IV rehydration

Question 11

What is the vaccine of cholera diseases ?

Answer 11

1- Oral, live attenuated vaccine, contains serogroup O1 & O139. for travelers to endemic areas
2- oral, killed bacteria vaccines, with cholerae toxin B subunit.

Question 12

Oral live attenuated vaccine of cholera is for ?

Answer 12

Travelers

Question 13

Oral killed vaccines of cholera is used in ?

Answer 13

Countries where cholera epidemic occur

Question 14

What is the shape of Vibrio Genus ?

Answer 14

comma-shaped curved bacilli