OIE: Highly pathogenic avian influenza,Myanmar

OIE: Highly pathogenic avian influenza,Myanmar
submited by kickingbird at Jun, 15, 2007 0:14 AM from OIE

Information received on 09/06/2007 from Mr U Maung Maung Nyunt, Director General, Livestock Breeding and Veterinary Department, Ministry of Livestock & Fisheries , RANGOON, Myanmar

Summary

Report type	Follow-up report No. 6
Start date	26/02/2007
Date of confirmation of event	28/02/2007
Report date	09/06/2007
Date submitted to OIE	11/06/2007
Reason for notification	Reoccurrence of a listed disease
Date of previous occurrence	27/04/2006
Manifestation of disease	Clinical disease
Causal agent	Highly pathogenic avian influenza virus
Serotype	H5N1
Nature of diagnosis	Suspicion, Clinical, Laboratory (advanced), Necropsy
Report pertains to	Entire country
Related reports	Immediate notification (28/02/2007) Follow-up report No. 1 (07/03/2007) Follow-up report No. 2 (13/03/2007) Follow-up report No. 3 (20/03/2007) Follow-up report No. 4 (01/04/2007) Follow-up report No. 5 (28/05/2007) Follow-up report No. 6 (09/06/2007)

New outbreaks

Outbreak 1

Hanthawaddy ward, Bago, Bago, BAGO

Date of start of outbreak

02/06/2007

Outbreak status

Continuing (or date resolved not submitted)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Destroyed	Slaughtered
Birds	989	28	28	961	0

Affected population

layer poultry (battery cage)

Summary of outbreaks

Total outbreaks: 1

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible removed*
Birds	2.83%	2.83%	100.00%	100.00%

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

Epidemiology

Source of infection	Low biosecurity
Epidemiological comments	During post-outbreak surveillance at risk area (Bago township), a sample from dead chicken was found positive for HPAI H5N1 in PCR test.

Control measures

Measures already applied	Movement control inside the country Screening Disinfection of infected premises/establishment(s) Dipping / Spraying Quarantine Modified stamping out Vaccination prohibited No treatment of affected animals
Measures to be applied	Control of wildlife reservoirs Zoning

Diagnostic test results

Laboratory name and type

Veterinary Diagnostic Laboratory (Yangon) (National laboratory)

Tests and results

Species	Test	Test date	Result
Birds	polymerase chain reaction (PCR)	05/06/2007	Positive
Birds	rapid tests	03/06/2007	Positive
Birds	rapid tests	04/06/2007	Negative
Birds	virus isolation	07/06/2007	Positive

Map of outbreak locations

Location of current outbreaks

See Also:

http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=5550

Latest news in those days:

GISAID: H5N1 Bird Flu Circulating in Dairy Cows in the United States 1 days ago
USCDC: A(H5N1) Bird Flu Response Update 1 days ago
USCDC: Avian Influenza A(H5N1) U.S. Situation Update and CDC Activities 8 days ago
USCDC: Urgent field correction notice 8 days ago
Joint FAO/WHO/WOAH preliminary assessment of recent influenza A(H5N1) viruses 9 days ago

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