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Published Date: 2019-02-04 22:12:33
Subject: PRO/AH/EDR> BSE, cattle - Poland: (DS) atypical L-type, OIE
Archive Number: 20190204.6294906
BSE, CATTLE - POLAND: (DOLNOSLASKIE) ATYPICAL L-TYPE, OIE
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Date: Tue 4 Feb 2019
Source: OIE, WAHIS [edited]
http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=29428


Bovine spongiform encephalopathy [BSE], Poland
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Information received on [and dated] 4 Feb 2019 from Dr Pawel Niemczuk, Chief Veterinary Officer, Ministry of Agriculture and Rural Development, POL Ministry of Agriculture and Rural Development, Varsovie, Poland

Summary
Report type: immediate notification
Date of start of the event: 24 Jan 2019
Date of confirmation of the event: 31 Jan 2019
Report date: 4 Feb 2019
Reason for notification: recurrence of a listed disease
Date of previous occurrence: March 2013
Manifestation of disease: clinical disease
Causal agent: prion (atypical L-type BSE)
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: Mirsk, Lwowek Slaski (0212), Dolnoslaskie
Date of start of the outbreak: 24 Jan 2019
Outbreak status: continuing (or date resolved not provided)
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of / Slaughtered
Cattle / 50 / 1 / 0 / 1 / 0

Outbreak statistics [rates apparent, expressed as percentages]
Species / Morbidity rate / Mortality rate / Case fatality rate / Proportion susceptible animals lost*
Cattle / 2 / 0 / 0 / 0
*Removed from the susceptible population through death, destruction, and/or slaughter

Epidemiology
Source of the outbreak(s) or origin of infection: [no information provided]
Epidemiological comments: The event concerns a case of atypical BSE (L-type). According to the OIE Terrestrial Code, for the purposes of official BSE risk status recognition, BSE excludes atypical BSE as a condition believed to occur spontaneously in all cattle populations at a very low rate. Therefore, this event does not have any influence on official BSE risk status recognition of Poland.

Control measures
Measures applied: movement control inside the country, traceability, official disposal of carcasses, by-products and waste, disinfection, vaccination permitted (if a vaccine exists), no treatment of affected animals
Measures to be applied: no other measures

Diagnostic test results
National Veterinary Research Institute (National laboratory)
Species / Test / Test date / Result
Cattle / Western blot / 31 Jan 2019 / 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>

["Atypical BSE occurs rarely and spontaneously, typically in cattle that are 8 years old or older. There is no association of atypical BSE with contaminated feed or ingestion of infected materials. Instead, a spontaneous change in the prion proteins in older adult cattle cause atypical BSE. Because changes in prion proteins are sporadic and very rare, scientists do not fully understand what causes prions to change from normal to abnormal forms.

Scientists are currently studying whether genetics or environmental factors may contribute to atypical BSE. As part of this research, scientists typically examine the offspring of animals diagnosed with atypical BSE and animals born in the same location at the same time as affected animals." Source: https://www.aphis.usda.gov/publications/animal_health/fs-bse.pdf.

Cases of atypical BSE do not impact the official BSE risk status of a country, and, therefore, this detection will not change the negligible risk status of Poland. - Mod.CRD

HealthMap/ProMED map available at:
Poland: http://healthmap.org/promed/p/113]

See Also

2018
----
BSE, bovine - UK (02): (Scotland) classical C-type, OIE 20181023.6105255
BSE, bovine - UK: (Scotland) 20181019.6099295
BSE, bovine - USA: (FL) atypical H-type, OIE 20180829.5995043
2017
----
Prion disease update (02): Europe, BSE, bov., scrapie, ov-cap, CWD, cervid 20171208.5491697
BSE, bovine - Spain (03): (CL) atypical H-type, OIE 20171128.5468755
BSE, bovine - USA: (AL) 20170719.5189464
BSE, bovine - USA (02): (AL) atypical L-type, OIE 20170719.5189029
BSE, bovine - Spain (02): (CB) atypical L-type, OIE 20170513.5033539
BSE, bovine - Spain: (CL) atypical L-type, OIE 20170311.4894368
BSE, bovine - Ireland (02): (GY) atypical L-type, OIE 20170124.4789081
BSE, bovine - Ireland: (GY) atypical 20170119.4775368
2016
----
Prion disease update: Europe, BSE, bovine, scrapie, sheep & goat, 2015 20161210.4689890
BSE - Japan: control measures alleviation 20160716.4350019
BSE, bovine - France (02): (AN) classical, OIE, conf. 20160325.4119524
BSE, bovine - France: (AN) susp., RFI 20160324.4117312
BSE - USA: federal rules on prohibited cattle materials 20160319.4105181
BSE, bovine - Romania: (CJ) 2014, OIE, clarification, RFI 20160309.4079963
BSE, bovine - Romania: (CV) OIE, follow-up, RFI 20160307.4074235
2015
----
BSE, bovine - Canada (06): (AB) CFIA investigation report 20151201.3833109
BSE, bovine - UK (05): (Wales) classical, control, clarification 20151008.3700459
BSE, bovine - UK (03): (Wales) classical, official update 20151005.3693147
BSE, bovine - UK (02): (Wales) classical, conf. 20151004.3690131
BSE, bovine - UK: (Wales) susp., RFI 20151002.3686239
BSE, bovine - Slovenia: (DO) OIE 20150919.3655898
BSE, bovine - Ireland: (LH) classical, conf., OIE 20150627.3467749
Prion disease update (03): Ireland (LH) bovine, BSE susp. 20150612.3433314
BSE, bovine - Canada (05): (AB) 20150305.3208893
BSE, bovine - Canada (04): (AB) 20150302.3201142
BSE, bovine - Norway: (NT) atypical H-type, 1st rep., OIE 20150129.3129692
2014
----
BSE, bovine - Romania (03): (CV) classical, 1st case, OIE, RFI 20141225.3055021
BSE, bovine - Portugal: (BR) classical BSE, OIE 20141128.2997464
2003
---
BSE - Poland 20030811.1984
BSE update 2003 (03) 20030321.0701
2002
---
BSE - Poland (03) 20021101.5678
BSE, third case - Poland: confirmed 20021006.5476
BSE, second case - Poland: confirmed 20020831.5196
BSE - Poland (02): correction 20020510.4159
BSE - Poland (02) 20020510.4154
BSE - Poland, first case 20020504.4092
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