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AVIAN INFLUENZA (46): RUSSIA (TUVA) WILD BIRDS, OIE
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[1]
Date: Thu 25 Jun 2009
Source: OIE, WAHID (World Animal Health Information Database), weekly
disease information 2009; 22(26) [edited]
<http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=8220>
Highly pathogenic avian influenza, Russia
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Information received on (and dated) 24 Jun 2009 from Dr Nicolay
Vlasov, CVO, Veterinary services, Ministry of Agriculture and Food,
Moscow, Russia
Summary
Report type: immediate notification (final report)
Start date: 11 Jun 2009
Date of first confirmation of the event: 12 Jun 2009
Report date: 24 Jun 2009
Date submitted to OIE: 24 Jun 2009
Date event resolved: 24 Jun 2009
Reason for notification: reoccurrence of a listed disease
Date of previous occurrence: 8 May 2008
Manifestation of disease: clinical disease
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory (advanced), necropsy
This event pertains to the whole country
New outbreaks
Outbreak 1 Ubsu-Nur, Ovursky, Respublika Tyva
Date of start of the outbreak: 11 Jun 2009
Outbreak status: resolved (24 Jun 2009)
Epidemiological unit: not applicable
Affected animals
Species / Susceptible / Cases / Deaths / Destroyed / Slaughtered
Wild species / / 58 / 58 / 0 / 0
Affected population: a lake
Summary of outbreaks
Total outbreaks: 1
Epidemiology
Source of the outbreak(s) or origin of infection: contact with wild species
Control measures
Measures applied: control of wildlife reservoirs; screening;
disinfection of infected premises/establishment(s); no vaccination; no
treatment of affected animals
Measures to be applied: no other measures
Diagnostic test results
Laboratory name and type: All-Russian Research Institute for Animal
Health (FGI-ARRIAH) (National laboratory)
Tests and results
Species / Test / Test date / Result
Wild species / polymerase chain reaction (PCR) / 23 Jun 2009 / positive
Wild species / virus isolation / 23 Jun 2009 / positive
Laboratory name and type: Kemerovo Interoblast Veterinary Laboratory
(National laboratory)
Tests and results
Species / Test / Test date / Result
Wild species / polymerase chain reaction (PCR) / 12 Jun 2009 / positive
Future reporting
The event is resolved. No more reports will be submitted.
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[2]
Date: Thu 25 Jun 2009
From: Martin Gilbert <mgilbert@wcs.org>
Re: Russia's immediate notification report sent to the OIE on 24 Jun 2009
----------------------------------------------------------------------
[The notification above included a] confirmation of an HPAI H5N1
outbreak at Uuvs Nuur [Ubsu-Nur], a lake in western Mongolia that
shares a shoreline with Russia.
This continues a strikingly similar pattern of wild bird outbreaks in
2006 and 2009 in the central Asian region, with wild bird HPAI
confirmed in Qinghai province, China (May 2006 and May 2009),
immediately followed by outbreaks in central/northern Mongolia (May
2006 and May 2009), followed by Uuvs Nuur (June 2006 and 2009). It is
unlikely that this pattern is due to biases in survey coverage as wild
bird surveillance in Mongolia, both through national authorities the
National Emergency Management Agency, State Central Veterinary
Laboratory and Mongolian Academy of Sciences, as well as
non-government partners such as the Wildlife Conservation Society are
extensive and cover much of the available waterbird habitat throughout
the country.
Surveys by all groups will continue in Mongolia throughout the summer
and into the autumn, and it will be interesting to see how things
progress.
--
Martin Gilbert M.R.C.V.S., B.V.M.S.
Wildlife Veterinarian
Associate Director - Asia
Global Health Program
Wildlife Conservation Society
<mgilbert@wcs.org>
[Dr Gilbert is gratefully acknowledged for drawing our attention to
the new Russian notification and to the similarity in the
epidemiological patterns of the previous central Asian outbreaks
affecting wild birds (2005 and 2006) and the current one. The species
affected on the Chinese territory have been discussed in ProMED-mail
posting 20090529.1998; any available details of the species affected
and tested in the Russian territory (map available in the OIE
notification at the source URL above) will be appreciated. - Mod.AS]
[The Republic of Tuva can be located on the HealthMap/ProMED-mail
interactive map at
<http://healthmap.org/r/00uA>
Uuvs Nuur Lake can be seen on the map at
<http://encarta.msn.com/map_701532063/Uvs_Nuur.html>. - Sr.Tech.Ed.MJ]
[see also:
Avian influenza (42): Mongolia (AR) wild birds, OIE 20090603.2057
Avian influenza (40): Mongolia, China, wild birds 20090529.1998
Avian influenza (39): Mongolia (AR) wild birds 20090528.1985
Avian influenza (38): Mongolia (AR) wild birds 20090527.1971
Avian influenza (36): China (QH), wild birds 20090518.1869
2008
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Undiagnosed die-off, wild birds - Mongolia: RFI 20080904.2767
2007
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Avian influenza, poultry vs migratory birds (34) 20070828.2815
2006
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Avian influenza (204) - China (Ningxia, Inner Mongolia) 20061013.2932
Avian influenza (197) - China (Qinghai samples) 20060928.2778
2005
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Avian influenza - Eurasia (21): China, Inner Mongolia, OIE 20051022.3078
Avian influenza - Asia (17): Mongolia, migratory birds, H5N1, OIE
20050902.2597
Avian influenza - Asia (06): Mongolia, migratory birds, H5N1 20050819.2443
Avian influenza, migratory birds - Mongolia: OIE (03) 20050813.2367
Avian influenza, migratory birds - Mongolia: OIE 20050808.2317
Avian influenza, geese - China (02) 20050523.1423]
........................................arn/mj/jw
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