Singapore - 1 new outbreak of Leishmaniosis in imported dog (OIE, June 14, 2019)

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Leishmaniosis, Singapore

Information received on 14/06/2019 from Dr Him Hoo Yap, Chief Veterinary Officer, Director General, Deputy CEO, Regulatory Programmes and Operations, Agri-Food & Veterinary Authority, Singapore, Singapore

Summary Report type Immediate notification Date of start of the event 28/05/2019 Date of confirmation of the event 05/06/2019 Report date 14/06/2019 Date submitted to OIE 14/06/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 16/01/2012 Manifestation of disease Clinical disease Causal agent Leishmania infantum Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced) This event pertains to the whole country

New outbreaks (1)

Outbreak 1 Singapore, Singapore Date of start of the outbreak 28/05/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Dogs 3 1 0 0 0 Affected population A three-year-old female entire French bulldog (imported from another country) showed clinical signs of weight loss despite a normal appetite, non-pruritic alopecia on the head, enlarged lymph nodes, anaemia and proteinuria. Dog was diagnosed with leishmaniosis and currently undergoing treatment with allopurinol. There are no other dogs in the household but the dog has possible contact with two other dogs.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Dogs 3 1 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Dogs 33.33% 0.00% 0.00% 0.00% *Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology Source of the outbreak(s) or origin of infection Legal movement of animals Epidemiological comments A three-year-old female entire French bulldog imported from another country showed clinical signs of weight loss despite a normal appetite, non-pruritic alopecia on the head, enlarged lymph nodes, anaemia and proteinuria. Dog was diagnosed with leishmaniosis and currently undergoing treatment with allopurinol. There are no other dogs in the household but the dog has possible contact with 2 other dogs. The owner was advised to continue treatment and take precautionary measures (vector control measures, segregation from other dogs, avoid contact with immunocompromised individuals, etc.)

Control measures Measures applied Screening Traceability Control of vectors Vaccination permitted (if a vaccine exists) Treatment of affected animals (Allopurinol) Measures to be applied No other measures

Diagnostic test results Laboratory name and type Species Test Test date Result Animal and Plant Health Centre (National laboratory) Dogs enzyme-linked immunosorbent assay (ELISA) 12/06/2019 Positive Animal and Plant Health Centre (National laboratory) Dogs indirect fluorescent antibody (IFA) test 12/06/2019 Positive Animal and Plant Health Centre (National laboratory) Dogs microscopic examination 12/06/2019 Positive Animal and Plant Health Centre (National laboratory) Dogs polymerase chain reaction (PCR) 12/06/2019 Positive IDEXX Laboratories Singapore (Private Laboratory) Dogs histopathological examination 29/05/2019 Positive IDEXX Laboratories Singapore (Private Laboratory) Dogs polymerase chain reaction (PCR) 05/06/2019 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=30739