Microbiology - chapter 12 - Yerisina, Francisella, Brucella and Pasterurella

Question 0

Three virulence factors of Yersinia pestis?

Answer 0

F1 - capsular antigen with antiphagocytic properties
V - protein w unknown function
W - lipoprotein with unknown function

Question 1

Responisble for the back plague?

Answer 1

Yersinia pestis spread throughout europe, killing 1/4 of the population.

Question 2

Francisella tularensis is commonly mistaken for?

Answer 2

Yerisinia pestis, as the clinical manifestations closely resembles bubonic plague.

Question 3

Francisella tularensis common route of transmission?

Answer 3

From handling infected rabbits and from the bites of ticks and deerflies.

FRANCIS the rabbit is playing in the TULips. One ear has a deerfly, the other a tick.

Question 4

Brucella infection is associated with …… and presents clinically as …… ?

Answer 4

Associated with animals - animal meat, meat industry, veterinarian, farmers etc.

Presentation - fever, chills, loss of appetite, backache, headache, lymphadenopathy. The fever usually peaks in the evening and decline during the night, so-called undulant fever.