Zoonosis_Q fever_Brucellosis_Leptospirosis

Question 1

Brucellosis
1/ Caused by 
2/ Which is common in Australia? 
3/ presentation? 
4/ complications

Answer 1

1/ Bacterium Brucella,
2/ Brucella suis infection can occur in hunters of feral pigs (therefore dogs too)
lab tech’s that handle samples maybe at risk
3/ prolonged febrile illness
4/ steoarticular disease, neurobrucellosis or endocarditis

(ref: etg)

Question 2

Q fever: 
1/ Caused by 
2/ Reservoirs and transmitted? 
3/ presentation? 
4/ complications

Answer 2

1/ gram negative bacterium Coxiella burnetii
2/ Reservoirs → goats, sheep, cattle
Transmitted by airborne dust contaminated with tissue, birth fluids or excretions from infected animals

3/ Presentation is variable
Asymptomatic 50-60% 
Flu like illness
4/ Pneumonia, Osteomyelitis, meningitis or encephalitis
Complication → Endocarditis 

(ref: etg)

Question 3

Leptospirosis 
1/ Caused by 
2/ Reservoirs and transmitted? 
3/ presentation? 
4/ Treatment?

Answer 3

1/ Leptospira interrogans serovars. Leptospirosis
2/ Contaminated urine of Rodent, cattle, horses, dogs
3/ Flu like illness
Second phase of illness, a week of 2 later:
Jaundice, encephalitis, endocarditis
4/ abx