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LEPTOSPIROSIS IN FIJI: A REVIEW
OF THE SITUATION IN 2012
Associate Professor Simon Reid
School of Population Health
Univer...
Acknowledgements
Fiji Centre for CD Control
• Dr Vereniki Raiwalui
• Dr Mike Kama
• Aggie Dawainavesi
UQ
• Dr Vanessa Racl...
CRICOS Provider No 00025B
INCIDENCE OF LEPTOSPIROSIS
ELISA

• 2011: 12 per 100,000
• 2012: 62.5 – 100 per 100,000
CRICOS Provider No 00025B
Fiji 2012
• 525 confirmed cases
• 52 deaths
• Up to ~300 more cases if PCR had been used
Floods

Ba

Lautoka

Nadi

Rewa

Suva
CRICOS Provider No 00025B
ETHNICITY
400

350

Cases per 100,000

300

iTaukei

Indian

250

200

150

100

50

0

Ba

CRICOS Provider No 00025B

Lau...
Age distribution

CRICOS Provider No 00025B
RESERVOIRS?

CRICOS Provider No 00025B
Serovars
• Predominant serovars in human cases (historical):
–
–
–
–

australis
copenhageni
canicola
cynoptera

• Limited ...
Naduri and Burebasaga (2002)
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%

70.0%

60.0%
50.0%
40.0%
30.0%
20.0%
10.0%

Mongoose ...
Prevalence of Leptospira Antibodies by Serovar in
Cattle from Naduri Village (n = 130)
50%

Prevalence

40%

30%

20%

10%...
Overlap with humans
Human
70%
60%
50%
40%
30%

20%
10%
0%

CRICOS Provider No 00025B

Dog
One Health Issues/opportunities
• Major gaps in epidemiological information
• Case investigations are lead by environmenta...
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Leptospirosis in Fiji: A Review of the Situation in 2012

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GRF 2nd One Health Summit 2013: Presentation by REID, Dr. Simon Andrew, The University of Queensland

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Transcript of "Leptospirosis in Fiji: A Review of the Situation in 2012"

  1. 1. LEPTOSPIROSIS IN FIJI: A REVIEW OF THE SITUATION IN 2012 Associate Professor Simon Reid School of Population Health University of Queensland Brisbane, Australia CRICOS Provider No 00025B
  2. 2. Acknowledgements Fiji Centre for CD Control • Dr Vereniki Raiwalui • Dr Mike Kama • Aggie Dawainavesi UQ • Dr Vanessa Racloz WHO (South Pacific) • Dr Eric Nilles CRICOS Provider No 00025B
  3. 3. CRICOS Provider No 00025B
  4. 4. INCIDENCE OF LEPTOSPIROSIS ELISA • 2011: 12 per 100,000 • 2012: 62.5 – 100 per 100,000 CRICOS Provider No 00025B
  5. 5. Fiji 2012 • 525 confirmed cases • 52 deaths • Up to ~300 more cases if PCR had been used
  6. 6. Floods Ba Lautoka Nadi Rewa Suva CRICOS Provider No 00025B
  7. 7. ETHNICITY 400 350 Cases per 100,000 300 iTaukei Indian 250 200 150 100 50 0 Ba CRICOS Provider No 00025B Lautoka Macuata Nadi Nadroga Subdivision Ra Rewa Suva
  8. 8. Age distribution CRICOS Provider No 00025B
  9. 9. RESERVOIRS? CRICOS Provider No 00025B
  10. 10. Serovars • Predominant serovars in human cases (historical): – – – – australis copenhageni canicola cynoptera • Limited data on range of serovars in domestic and feral animals in Fiji • 1981: antibodies detected (CFT) in: – Cattle (27.5%), sheep (17.1%), goats (10.3%), pigs (10.0%) – Dogs (57%), rats (55.8%), mongoose (53.1%), mice (40%) CRICOS Provider No 00025B
  11. 11. Naduri and Burebasaga (2002) 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 70.0% 60.0% 50.0% 40.0% 30.0% 20.0% 10.0% Mongoose = ~70% Hardjo 0.0% SPC ANIMAL HEALTH & PRODUCTION SERVICE (http://www.spc.int/lrd/)
  12. 12. Prevalence of Leptospira Antibodies by Serovar in Cattle from Naduri Village (n = 130) 50% Prevalence 40% 30% 20% 10% 0% CRICOS Provider No 00025B Serovar
  13. 13. Overlap with humans Human 70% 60% 50% 40% 30% 20% 10% 0% CRICOS Provider No 00025B Dog
  14. 14. One Health Issues/opportunities • Major gaps in epidemiological information • Case investigations are lead by environmental health officers but need to include AH and PH personnel • Importance of sampling ALL mammals (including humans) at the site of transmission • Need to work out how to get rats and mongoose • MoH has initiated a national strategy CRICOS Provider No 00025B
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