Thursday, July 5, 2018

PRO/AH/EDR> Newcastle disease - Belgium: (OV) poultry, OIE

NEWCASTLE DISEASE - BELGIUM: (EAST FLANDERS) POULTRY, OIE
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Date: Thu 5 Jul 2018
Source: OIE, WAHID [edited]
<http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=27150>


Newcastle disease, Belgium
-------------------------
Information received on [and dated] Thu 5 Jul 2018 from Dr
Jean-François Heymans, Director, Animal Health and Safety of Products
of Animal Origin, Federal Agency for the Safety of the Food Chain
(FASFC), Brussels, Belgium

Summary
Report type: immediate notification
Date of start of the event: Thu 28 Jun 2018
Date of confirmation of the event: Wed 4 Jul 2018
Reason for notification: recurrence of a listed disease
Date of previous occurrence: Mon 9 Aug 2010
Manifestation of disease: clinical disease
Causal agent: Newcastle disease virus
Nature of diagnosis: laboratory (advanced)
This event pertains to a defined zone within the country.

New outbreaks (1)
Summary of outbreaks
Total outbreaks: 1
Outbreak 1: Haaltert, Oost-Vlaanderen [East Flanders]
Date of start of the outbreak: Thu 28 Jun 2018
Outbreak status: continuing (or date resolved not provided)
Epidemiological unit: farm
Total animals affected
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered
Birds / 3648 / - / 0 / 3648 / 0

Outbreak statistics [rates apparent, expressed as percentages]
Species / Morbidity rate / Mortality rate / Case fatality rate /
Proportion susceptible animals lost
Birds / ** / 0 / ** / 100
*Removed from the susceptible population through death, destruction,
and/or slaughter
**Not calculated because of missing information

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

Control measures
Measures applied: surveillance outside containment and/or protection
zone, surveillance within containment and/or protection zone,
traceability, stamping out, zoning, vaccination permitted (if a
vaccine exists), no treatment of affected animals

Measures to be applied: official destruction of animal products,
official disposal of carcasses, by-products and waste, stamping out,
disinfection

Diagnostic test results:
Sciensano (national laboratory)
Species / Test / Test date / Result
Birds / nucleotide sequencing/ Tue 3 Jul 2018 / Positive
Birds / real-time reverse transcriptase/polymerase chain reaction
(RRT-PCR) / Mon 2 Jul 2018 / Positive
Birds / virus isolation / Wed 4 Jul 2018 / Positive

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

[The location of the outbreak can be seen on the interactive map
included in the OIE report at the source URL above.]

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

[Newcastle disease (ND) is caused by virulent strains of avian
paramyxovirus type 1 (APMV-1) of the genus _Avulavirus_ belonging to
the family Paramyxoviridae. There are 10 serotypes of avian
paramyxoviruses designated APMV-I to APMV-10.

The vast majority of bird species appear to be susceptible to
infection with APMV-1 of both high and low virulence for chickens,
although the clinical signs seen in infected birds vary widely and are
dependent on factors such as the virus, host species, age of host,
infection with other organisms, environmental stress, and immune
status. In some circumstances, infection with the extremely virulent
viruses may result in sudden high mortality with comparatively few
clinical signs. Thus, the clinical signs are variable and influenced
by other factors so that none can be regarded as pathognomonic.

Even for susceptible hosts, ND viruses produce a considerable range of
clinical signs. Generally, variation consists of clusters around the
two extremes in the ICPI test, but, for a variety of reasons, some
viruses may show intermediate virulence. The broad variation in
virulence and clinical signs necessitates the careful definition of
what constitutes ND for the purposes of trade, control measures, and
policies. The definition of ND currently in use in all member states
of the European Union is defined in Directive 92/66/EEC of the
Commission for European Communities.

The OIE definition for reporting an outbreak of ND is as follows:

Newcastle disease is defined as an infection of poultry caused by a
virus of avian paramyxovirus serotype 1 (APMV-1) that meets one of the
following criteria for virulence:

a) The virus has an intracerebral pathogenicity index (ICPI) in
day-old chicks (_Gallus gallus_) of 0.7 or greater.
or
b) Multiple basic amino acids have been demonstrated in the virus
(either directly or by deduction) at the C-terminus of the F2 protein
and phenylalanine at residue 117, which is the N-terminus of the F1
protein. The term "multiple basic amino acids" refers to at least 3
arginine or lysine residues between residues 113 and 116. Failure to
demonstrate the characteristic pattern of amino acid residues as
described above would require characterisation of the isolated virus
by an ICPI test.

In this definition, amino acid residues are numbered from the
N-terminus of the amino acid sequence deduced from the nucleotide
sequence of the F0 gene; 113-116 corresponds to residues -4 to -1 from
the cleavage site.

For the above and additional background information, including
diagnostic methods, and references, please refer to the OIE
Terrestrial Manual 2018, chapter 2.3.14 Newcastle disease (version
adopted by the World Assembly of Delegates of the OIE in May 2012);
<http://www.oie.int/fileadmin/Home/eng/Health_standards/tahm/2.03.14_NEWCASTLE_DIS.pdf>.
- Mod.CRD

HealthMap/ProMED-mail map:
East Flanders, Belgium: <http://healthmap.org/promed/p/15299>]

[See Also:
Newcastle disease - Czech Republic: (ZL) backyard poultry, OIE
http://promedmail.org/post/20180416.5751461
Newcastle disease - Cyprus: (LA) backyard poultry, OIE
http://promedmail.org/post/20180319.5695223
2017
---
Newcastle disease - France: (NC) poultry, pigeon, OIE
http://promedmail.org/post/20171223.5521420
Newcastle disease - Switzerland: (TI) poultry, OIE
http://promedmail.org/post/20171122.5457167
Newcastle disease - Bulgaria (04): (PZ) poultry
http://promedmail.org/post/20171113.5441568
Newcastle disease - Bulgaria (03): (KZ) poultry, OIE
http://promedmail.org/post/20171026.5407090
Newcastle disease - Bulgaria (02): (KK) poultry, OIE
http://promedmail.org/post/20170922.5335347
Newcastle disease - Bulgaria: (KZ) poultry, OIE
http://promedmail.org/post/20170904.5294077
Newcastle disease - Sweden: (KA) poultry, OIE
http://promedmail.org/post/20170819.5261144
Newcastle disease - Portugal: (CO) pigeon, OIE
http://promedmail.org/post/20170713.5170649
Newcastle disease - Romania: (IF) poultry, OIE
http://promedmail.org/post/20170203.4813343
2016
----
Newcastle disease - Bulgaria (03): (VD) poultry, OIE
http://promedmail.org/post/20161229.4729417
Newcastle disease - Sweden: (SN) poultry, OIE
http://promedmail.org/post/20161115.4630472
Newcastle disease - Bulgaria (02): (MT) poultry, OIE
http://promedmail.org/post/20161102.4603108
Newcastle disease - Romania (02): (VS) poultry, OIE
http://promedmail.org/post/20161014.4559956
Newcastle disease - Romania: (PH) poultry, OIE
http://promedmail.org/post/20160412.4152367
Newcastle disease - Czech Republic: (SK) dove
http://promedmail.org/post/20160316.4097251
Newcastle disease - Bulgaria: (KZ) poultry, OIE
http://promedmail.org/post/20160210.4010926
2009
---
Newcastle disease, pigeons - Belgium
http://promedmail.org/post/20090407.1349
2007
----
Newcastle disease, poultry - Greece, Romania: OIE
http://promedmail.org/post/20071104.3586
2006
----
Newcastle disease, poultry - Sweden (Ostergotland) (02): OIE
http://promedmail.org/post/20061124.3346
2004
----
Newcastle disease, pigeons - Belgium
http://promedmail.org/post/20040424.1140
1998
----
Newcastle disease - Belgium http://promedmail.org/post/19981231.2469
Newcastle disease, pigeons - Belgium
http://promedmail.org/post/19980808.1548]
.................................................crd/tw/jh
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