OIE: Highly pathogenic avian influenza, Myanmar

OIE: Highly pathogenic avian influenza, Myanmar
submited by kickingbird at Jan, 18, 2011 21:12 PM from OIE

Information received on 18/01/2011 from Prof. Dr Myint Thein , Director General, Livestock Breeding and Veterinary Department , Ministry of Livestock & Fisheries , YANGOON , Myanmar

Summary

Report type	Immediate notification
Start date	06/01/2011
Date of first confirmation of the event	16/01/2011
Report date	18/01/2011
Date submitted to OIE	18/01/2011
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	26/03/2010
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5
Nature of diagnosis	Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
This event pertains to	a defined zone within the country

New outbreaks

Summary of outbreaks

Total outbreaks: 1

Location(s)

RAKHINE STATE (Bumay-Letthamar village, Sittwe , Sittwe )

Total animals affected

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	800	500	500	300	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	62.50%	62.50%	100.00%	100.00%

* Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection	Unknown or inconclusive
Epidemiological comments	The layer chickens were 3 months old. There were a total of 800 chickens. Chicken deaths started from 6 January and a total of 500 chickens died. HPAI virus was detected by PCR. There are 8 farms in this village with a total of 5,000 chickens. All are layer chickens of different ages.

Control measures

Measures applied	Stamping out Quarantine Movement control inside the country Disinfection of infected premises/establishment(s) Dipping / Spraying No vaccination No treatment of affected animals
Measures to be applied	No other measures

Diagnostic test results

Laboratory name and type

Central Veterinary Diagnostic Laboratory, Yangon (National laboratory)

Tests and results

Species	Test	Test date	Result
Birds	polymerase chain reaction (PCR)	16/01/2011	Positive
Birds	rapid tests	16/01/2011	Positive

Future Reporting

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

See Also:

http://www.oie.int

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