Published Date: 2011-04-02 11:29:40
Subject: PRO> Avian influenza (LPAI), poultry - USA: (MO) - H7, OIE
Archive Number: 20110402.1019

AVIAN INFLUENZA (LPAI), POULTRY - USA: (MISSOURI) - H7, OIE
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International Society for Infectious Diseases
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Date: 30 Mar 2011
Source: OIE, WAHID (World Animal Health Information Database), weekly
disease information 2011; 24(13) [edited]
http://web.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10435


Low pathogenic avian influenza (poultry), United States of America
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Information received on 30 Mar 2011 from Dr John Clifford, Deputy
Administrator, Animal and Plant Health Inspection Service, United
States Department of Agriculture, Washington, United States of
America

Summary
Report type Immediate notification
Start date 25 Mar 2011
Date of 1st confirmation of the event 25 Mar 2011
Report date 29 Mar 2011
Date submitted to OIE 30 Mar 2011
Reason for notification: Reoccurrence of a listed disease
Date of previous occurrence 15 Dec 2009
Manifestation of disease: Sub-clinical infection
Causal agent: Low pathogenic avian influenza virus
Serotype H7N3
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country

New outbreaks
Outbreak 1 Polk County, Missouri, Polk County, Missouri
Date of start of the outbreak 25 Mar 2011
Outbreak status: Continuing (or date resolved not provided)
Epidemiological unit: Farm
Species Birds
Susceptible 30 000
Cases
Deaths
Destroyed
Slaughtered

Affected Population: The index premises is a commercial turkey
operation in Missouri consisting of 14 000 affected 19-week-old
turkeys in 2 separate houses. Also exposed on the premises are 16 000
5-week-old turkeys.

Epidemiology - Source of the outbreak(s) or origin of infection -
Unknown or inconclusive

Epidemiological comments: Samples were collected as part of routine,
pre-slaughter surveillance for the National Poultry Improvement Plan
(NPIP) Avian Influenza Clean Program (H5 and H7).
-- The turkeys did not show any clinical signs of sickness or
disease.
-- The Missouri H5/H7 LPAI Initial State Response and Containment
plan has been implemented.

Note by the OIE Animal Health Information Department: H5 and H7 avian
influenza in its low pathogenic form in poultry is a notifiable
disease as per Chapter 10.4. on avian influenza of the Terrestrial
Animal Health Code (2010).

Control measures- Measures applied
-- Quarantine
-- Movement control inside the country
-- Vaccination prohibited
-- No treatment of affected animals

Measures to be applied - * No other measures

Laboratory name and type: Missouri Department of Agriculture (Local
laboratory)
Species Birds
Test agar-gel immunodiffusion (AGID)
Test date 25 Mar 2011
Result Positive

Laboratory name and type: National Veterinary Services Laboratories
(National laboratory)
Species Birds
Test agar-gel immunodiffusion (AGID)
Test date 28 Mar 2011
Result Positive

Species Birds
Test neuraminidase inhibition assay
Test date 28 Mar 2011
Result Positive

Species Birds
Test real-time PCR
Test date 28 Mar 2011
Result Positive

Species Birds
Test real-time reverse transcriptase/polymerase chain reaction
(RRT-PCR)
Test date 28 Mar 2011
Result Positive

Species Birds
Test virus isolation
Test date
Result Pending

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

--
Communicated by:
ProMED-mail
<promed@promedmail.org>

[Low pathogenic avian influenza is an OIE reported disease when it is
an H7 or H5 type. Since 2005, the references below indicate periodic
occurrence of the disease. OIE WAHID reports the following LPAI in the
United States: an H7N3 in Arkansas, H5N8 in Idaho, H7N9 in Kentucky,
Nebraska and Minnesota, H5N1 in Virginia and H5N2 in West Virginia.

The location of the outbreak in the middle of the United States can
be seen on the map appended to the OIE report or at the Healthmap
website. - Mod.PC]

See Also

2009
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Avian influenza (LPAI), poultry - USA (05): (TN) 20090514.1810
Avian influenza (LPAI), poultry - USA (04): (TN) 20090512.1773
Avian influenza (LPAI), poultry - USA (03): (TN) 20090505.1682
Avian influenza (LPAI), poultry - USA (02): (KY), H7N9
20090408.1361
Avian influenza (LPAI), poultry - USA (KY): H7 20090405.1314
2008
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Avian influenza (72): USA (AR), LPAI H7 20080604.1782
Avian influenza H7 - North America: human receptor 20080527.1728
2006
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Avian influenza - USA (NJ): LPAI susp. 20060430.1257
2004
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Avian influenza, H7, poultry - USA (DE, MD) 20040412.0993
Avian influenza, poultry, H7 - USA (MD) (02) 20040309.0665
Avian Influenza, poultry, H7 - USA (MD) 20040308.0657Avian influenza
(LPAI), poultry - USA (05): (TN) 20090514.1810
Avian influenza (LPAI), poultry - USA (04): (TN) 20090512.1773
Avian influenza (LPAI), poultry - USA (03): (TN) 20090505.1682
Avian influenza (LPAI), poultry - USA (02): (KY), H7N9
20090408.1361
Avian influenza (LPAI), poultry - USA (KY): H7 20090405.1314
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