EFSA and ECDC review scientific evidence on possible links between TSEs in animals and humans Webnachricht 19 Januar 2011

EFSA and ECDC review scientific evidence on possible links between TSEs in animals and humans Webnachricht 19 Januar 2011

The European Food Safety Authority (EFSA) and the European Centre for Disease Prevention and Control (ECDC) have published a joint opinion reviewing the latest available scientific information on possible links between Transmissible Spongiform Encephalopathies (TSEs)[1] in animals and humans. Current epidemiological and laboratory tools and methods for the evaluation of possible association of animal and human TSEs were also critically evaluated.

In the opinion, EFSA and ECDC have undertaken the first comprehensive review of epidemiological and laboratory studies on possible links between TSEs in animals and humans at EU level. The opinion builds on previous work carried out by EFSA on the zoonotic potential of single TSE agents, as well as a considerable number of other scientific studies on prion diseases.

The findings in the opinion confirm that at present the only TSE proven to be zoonotic (i.e. transmissible from animals to humans), remains Classical Bovine Spongiform Encephalopathy (BSE), known in humans as variant Creutzfeldt-Jakob disease (vCJD)[2].

Epidemiological evidence shows that the most common form of TSE in humans is sporadic Creutzfeldt-Jakob disease (sCJD). The cause of sporadic CJD remains uncertain[3]. While scientific research to date has not identified an environmental source of infection[4], the Panel could not exclude the possibility that a small number of cases could be zoonotic.

Regarding Classical scrapie in goats and sheep, no epidemiological evidence suggests it is zoonotic; whereas for Atypical scrapie in sheep and goats, the scientific data currently available are too limited to conclude whether it has the potential to be zoonotic or not.

For other TSEs, a number of uncertainties make it impossible at present to draw definite conclusions on possible links between animals and humans. One of the reasons for this is that data on the monitoring of TSEs in animals are too recent to be compared to the respective human data. The opinion therefore recommends that systematic monitoring of TSE diseases be continued in both humans and animals.

In addition to epidemiological data, the scientists also evaluated evidence obtained from experimental transmission of TSEs in laboratory studies. The opinion states that the results of some of these studies suggest there might be a possibility of animal-to-human transfer for other TSEs, in addition to Classical BSE in cattle. In particular, some data indicate that one of the new atypical BSE agents[5], the L-BSE or BASE agent, may have a similar or higher zoonotic potential than the Classical BSE agent. The opinion however points out that at present it is not possible to define how informative these laboratory studies are for measuring the transfer of TSEs between animals and humans under real exposure conditions.

This joint opinion of EFSA and ECDC provides an overview of the situation in relation to the zoonotic potential of TSEs and may support risk managers in their work on those TSEs which are of major concern for human health.

•Joint Scientific Opinion on any possible epidemiological or molecular association between TSEs in animals and humans •Further information on EFSA’s work on TSEs •Further information on ECDC’s work For media enquiries, please contact: Ian Palombi, Press Officer or Steve Pagani, Head of Press Office Tel: +39 0521 036 149 Email: Press@efsa.europa.eu

--------------------------------------------------------------------------------

[1] TSEs or so-called prion diseases are a family of diseases that affect the brain and nervous system of humans and animals. These include Classical BSE and Atypical (L-type and H-type) BSE, Classical and Atypical scrapie, Chronic Wasting Disease and Transmissible Mink Encephalopathy. [2] Creutzfeld-Jakob disease (CJD) is a transmissible spongiform encephalopathy in humans. Various forms of CJD are recognised: of these, sporadic CJD is the most common and its origin is uncertain; variant CJD was identified in the 1990s and is closely linked to exposure – probably through food – to the cattle disease bovine spongiform encephalopathy (BSE). [3] See also World Health Organization [4] For example, direct/indirect transmission of the infective agent from animals, micro-organisms, food, water, objects, body fluids or through air inhalation. [5] Atypical H-type BSE (H-BSE) and Atypical L-type BSE (L-BSE or BASE) agents are two distinct Atypical BSE agents, discovered after 2004.

http://www.efsa.europa.eu/de/press/news/biohaz110119.htm



I disagree with there assumption that classic scrapie will not transmit to man. which classic scrapie strain are they speaking of ? considering that natural scrapie will transmit to primate by their non-forced oral consumption, i would not continue to rule this out, until science proves it. on the contrary science shows that humans are susceptible to natural scrapie strains.

also, the nor-98 atypical scrapie, and the fact the USDA and the OIE worked side by side to expose the whole world to this TSE agent via the fact they decided to exempt it from scrapie regulations and decided to make it legal to import and export nor-98 atypical scrapie. kinda put the cart before the horse.

it's really disgusting to me and sad that these same governing bodies continue to flounder on stringent TSE regulations, all for trade and the almighty dollar $$$ by working so hard to prove that these different TSE will not transmit to man, they missed the science that in fact most all could. ...


1: J Infect Dis 1980 Aug;142(2):205-8

Oral transmission of kuru, Creutzfeldt-Jakob disease, and scrapie to nonhuman primates.

Gibbs CJ Jr, Amyx HL, Bacote A, Masters CL, Gajdusek DC.

Kuru and Creutzfeldt-Jakob disease of humans and scrapie disease of sheep and goats were transmitted to squirrel monkeys (Saimiri sciureus) that were exposed to the infectious agents only by their nonforced consumption of known infectious tissues. The asymptomatic incubation period in the one monkey exposed to the virus of kuru was 36 months; that in the two monkeys exposed to the virus of Creutzfeldt-Jakob disease was 23 and 27 months, respectively; and that in the two monkeys exposed to the virus of scrapie was 25 and 32 months, respectively. Careful physical examination of the buccal cavities of all of the monkeys failed to reveal signs or oral lesions. One additional monkey similarly exposed to kuru has remained asymptomatic during the 39 months that it has been under observation.

snip...

The successful transmission of kuru, Creutzfeldt-Jakob disease, and scrapie by natural feeding to squirrel monkeys that we have reported provides further grounds for concern that scrapie-infected meat may occasionally give rise in humans to Creutzfeldt-Jakob disease.

PMID: 6997404

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=6997404&dopt=Abstract


12/10/76 AGRICULTURAL RESEARCH COUNCIL REPORT OF THE ADVISORY COMMITTE ON SCRAPIE Office Note CHAIRMAN: PROFESSOR PETER WILDY

snip...

A The Present Position with respect to Scrapie A] The Problem Scrapie is a natural disease of sheep and goats. It is a slow and inexorably progressive degenerative disorder of the nervous system and it ia fatal. It is enzootic in the United Kingdom but not in all countries. The field problem has been reviewed by a MAFF working group (ARC 35/77). It is difficult to assess the incidence in Britain for a variety of reasons but the disease causes serious financial loss; it is estimated that it cost Swaledale breeders alone $l.7 M during the five years 1971-1975. A further inestimable loss arises from the closure of certain export markets, in particular those of the United States, to British sheep. It is clear that scrapie in sheep is important commercially and for that reason alone effective measures to control it should be devised as quickly as possible. Recently the question has again been brought up as to whether scrapie is transmissible to man. This has followed reports that the disease has been transmitted to primates.

One particularly lurid speculation (Gajdusek 1977) conjectures that the agents of scrapie, kuru, Creutzfeldt-Jakob disease and transmissible encephalopathy of mink are varieties of a single "virus". The U.S. Department of Agriculture concluded that it could "no longer justify or permit scrapie-blood line and scrapie-exposed sheep and goats to be processed for human or animal food at slaughter or rendering plants" (ARC 84/77)" The problem is emphasised by the finding that some strains of scrapie produce lesions identical to the once which characterise the human dementias" Whether true or not. the hypothesis that these agents might be transmissible to man raises two considerations. First, the safety of laboratory personnel requires prompt attention. Second, action such as the "scorched meat" policy of USDA makes the solution of the acrapie problem urgent if the sheep industry is not to suffer grievously.

snip...

76/10.12/4.6

http://web.archive.org/web/20010305223125/www.bseinquiry.gov.uk/files/yb/1976/10/12004001.pdf


http://nor-98.blogspot.com/2010/10/scrapie-nor-98-atypical-scrapie-and-bse.html



Monday, November 30, 2009

USDA AND OIE COLLABORATE TO EXCLUDE ATYPICAL SCRAPIE NOR-98 ANIMAL HEALTH CODE

http://nor-98.blogspot.com/2009/11/usda-and-oie-collaborate-to-exclude.html



Sunday, March 28, 2010

Nor-98 atypical Scrapie, atypical BSE, spontaneous TSE, trade policy, sound science ?

http://nor-98.blogspot.com/2010/03/nor-98-atypical-scrapie-atypical-bse.html



P03.141

Aspects of the Cerebellar Neuropathology in Nor98

Gavier-Widén, D1; Benestad, SL2; Ottander, L1; Westergren, E1 1National Veterinary Insitute, Sweden; 2National Veterinary Institute,

Norway Nor98 is a prion disease of old sheep and goats. This atypical form of scrapie was first described in Norway in 1998. Several features of Nor98 were shown to be different from classical scrapie including the distribution of disease associated prion protein (PrPd) accumulation in the brain. The cerebellum is generally the most affected brain area in Nor98. The study here presented aimed at adding information on the neuropathology in the cerebellum of Nor98 naturally affected sheep of various genotypes in Sweden and Norway. A panel of histochemical and immunohistochemical (IHC) stainings such as IHC for PrPd, synaptophysin, glial fibrillary acidic protein, amyloid, and cell markers for phagocytic cells were conducted. The type of histological lesions and tissue reactions were evaluated. The types of PrPd deposition were characterized. The cerebellar cortex was regularly affected, even though there was a variation in the severity of the lesions from case to case. Neuropil vacuolation was more marked in the molecular layer, but affected also the granular cell layer. There was a loss of granule cells. Punctate deposition of PrPd was characteristic. It was morphologically and in distribution identical with that of synaptophysin, suggesting that PrPd accumulates in the synaptic structures. PrPd was also observed in the granule cell layer and in the white matter. The pathology features of Nor98 in the cerebellum of the affected sheep showed similarities with those of sporadic Creutzfeldt-Jakob disease in humans.

***The pathology features of Nor98 in the cerebellum of the affected sheep showed similarities with those of sporadic Creutzfeldt-Jakob disease in humans.

http://www.prion2007.com/pdf/Prion%20Book%20of%20Abstracts.pdf


PR-26

NOR98 SHOWS MOLECULAR FEATURES REMINISCENT OF GSS

R. Nonno1, E. Esposito1, G. Vaccari1, E. Bandino2, M. Conte1, B. Chiappini1, S. Marcon1, M. Di Bari1, S.L. Benestad3, U. Agrimi1 1 Istituto Superiore di Sanità, Department of Food Safety and Veterinary Public Health, Rome, Italy (romolo.nonno@iss.it); 2 Istituto Zooprofilattico della Sardegna, Sassari, Italy; 3 National Veterinary Institute, Department of Pathology, Oslo, Norway

Molecular variants of PrPSc are being increasingly investigated in sheep scrapie and are generally referred to as "atypical" scrapie, as opposed to "classical scrapie". Among the atypical group, Nor98 seems to be the best identified. We studied the molecular properties of Italian and Norwegian Nor98 samples by WB analysis of brain homogenates, either untreated, digested with different concentrations of proteinase K, or subjected to enzymatic deglycosylation. The identity of PrP fragments was inferred by means of antibodies spanning the full PrP sequence. We found that undigested brain homogenates contain a Nor98-specific PrP fragment migrating at 11 kDa (PrP11), truncated at both the C-terminus and the N-terminus, and not N-glycosylated. After mild PK digestion, Nor98 displayed full-length PrP (FL-PrP) and N-glycosylated C-terminal fragments (CTF), along with increased levels of PrP11. Proteinase K digestion curves (0,006-6,4 mg/ml) showed that FL-PrP and CTF are mainly digested above 0,01 mg/ml, while PrP11 is not entirely digested even at the highest concentrations, similarly to PrP27-30 associated with classical scrapie. Above 0,2 mg/ml PK, most Nor98 samples showed only PrP11 and a fragment of 17 kDa with the same properties of PrP11, that was tentatively identified as a dimer of PrP11. Detergent solubility studies showed that PrP11 is insoluble in 2% sodium laurylsorcosine and is mainly produced from detergentsoluble, full-length PrPSc. Furthermore, among Italian scrapie isolates, we found that a sample with molecular and pathological properties consistent with Nor98 showed plaque-like deposits of PrPSc in the thalamus when the brain was analysed by PrPSc immunohistochemistry. Taken together, our results show that the distinctive pathological feature of Nor98 is a PrP fragment spanning amino acids ~ 90-155. This fragment is produced by successive N-terminal and C-terminal cleavages from a full-length and largely detergent-soluble PrPSc, is produced in vivo and is extremely resistant to PK digestion.

*** Intriguingly, these conclusions suggest that some pathological features of Nor98 are reminiscent of Gerstmann-Sträussler-Scheinker disease.

119

http://www.neuroprion.com/pdf_docs/conferences/prion2006/abstract_book.pdf


A newly identified type of scrapie agent can naturally infect sheep with resistant PrP genotypes

Annick Le Dur*,?, Vincent Béringue*,?, Olivier Andréoletti?, Fabienne Reine*, Thanh Lan Laï*, Thierry Baron§, Bjørn Bratberg¶, Jean-Luc Vilotte?, Pierre Sarradin**, Sylvie L. Benestad¶, and Hubert Laude*,?? +Author Affiliations

*Virologie Immunologie Moléculaires and ?Génétique Biochimique et Cytogénétique, Institut National de la Recherche Agronomique, 78350 Jouy-en-Josas, France; ?Unité Mixte de Recherche, Institut National de la Recherche Agronomique-Ecole Nationale Vétérinaire de Toulouse, Interactions Hôte Agent Pathogène, 31066 Toulouse, France; §Agence Française de Sécurité Sanitaire des Aliments, Unité Agents Transmissibles Non Conventionnels, 69364 Lyon, France; **Pathologie Infectieuse et Immunologie, Institut National de la Recherche Agronomique, 37380 Nouzilly, France; and ¶Department of Pathology, National Veterinary Institute, 0033 Oslo, Norway

***Edited by Stanley B. Prusiner, University of California, San Francisco, CA (received for review March 21, 2005)

Abstract Scrapie in small ruminants belongs to transmissible spongiform encephalopathies (TSEs), or prion diseases, a family of fatal neurodegenerative disorders that affect humans and animals and can transmit within and between species by ingestion or inoculation. Conversion of the host-encoded prion protein (PrP), normal cellular PrP (PrPc), into a misfolded form, abnormal PrP (PrPSc), plays a key role in TSE transmission and pathogenesis. The intensified surveillance of scrapie in the European Union, together with the improvement of PrPSc detection techniques, has led to the discovery of a growing number of so-called atypical scrapie cases. These include clinical Nor98 cases first identified in Norwegian sheep on the basis of unusual pathological and PrPSc molecular features and "cases" that produced discordant responses in the rapid tests currently applied to the large-scale random screening of slaughtered or fallen animals. Worryingly, a substantial proportion of such cases involved sheep with PrP genotypes known until now to confer natural resistance to conventional scrapie. Here we report that both Nor98 and discordant cases, including three sheep homozygous for the resistant PrPARR allele (A136R154R171), efficiently transmitted the disease to transgenic mice expressing ovine PrP, and that they shared unique biological and biochemical features upon propagation in mice.

*** These observations support the view that a truly infectious TSE agent, unrecognized until recently, infects sheep and goat flocks and may have important implications in terms of scrapie control and public health.

http://www.pnas.org/content/102/44/16031.abstract


Monday, December 1, 2008

When Atypical Scrapie cross species barriers

Authors

Andreoletti O., Herva M. H., Cassard H., Espinosa J. C., Lacroux C., Simon S., Padilla D., Benestad S. L., Lantier F., Schelcher F., Grassi J., Torres, J. M., UMR INRA ENVT 1225, Ecole Nationale Veterinaire de Toulouse.France; ICISA-INlA, Madrid, Spain; CEA, IBiTec-5, DSV, CEA/Saclay, Gif sur Yvette cedex, France; National Veterinary Institute, Postboks 750 Sentrum, 0106 Oslo, Norway, INRA IASP, Centre INRA de Tours, 3738O Nouzilly, France.

Content

Atypical scrapie is a TSE occurring in small ruminants and harbouring peculiar clinical, epidemiological and biochemical properties. Currently this form of disease is identified in a large number of countries. In this study we report the transmission of an atypical scrapie isolate through different species barriers as modeled by transgenic mice (Tg) expressing different species PRP sequence.

The donor isolate was collected in 1995 in a French commercial sheep flock. inoculation into AHQ/AHQ sheep induced a disease which had all neuro-pathological and biochemical characteristics of atypical scrapie. Transmitted into Transgenic mice expressing either ovine or PrPc, the isolate retained all the described characteristics of atypical scrapie.

Surprisingly the TSE agent characteristics were dramatically different v/hen passaged into Tg bovine mice. The recovered TSE agent had biological and biochemical characteristics similar to those of atypical BSE L in the same mouse model. Moreover, whereas no other TSE agent than BSE were shown to transmit into Tg porcine mice, atypical scrapie was able to develop into this model, albeit with low attack rate on first passage.

Furthermore, after adaptation in the porcine mouse model this prion showed similar biological and biochemical characteristics than BSE adapted to this porcine mouse model. Altogether these data indicate.

(i) the unsuspected potential abilities of atypical scrapie to cross species barriers

(ii) the possible capacity of this agent to acquire new characteristics when crossing species barrier

These findings raise some interrogation on the concept of TSE strain and on the origin of the diversity of the TSE agents and could have consequences on field TSE control measures.

http://www.neuroprion.org/resources/pdf_docs/conferences/prion2008/abstract-book-prion2008.pdf


Sunday, October 3, 2010

Scrapie, Nor-98 atypical Scrapie, and BSE in sheep and goats North America, who's looking ?

http://nor-98.blogspot.com/2010/10/scrapie-nor-98-atypical-scrapie-and-bse.html


Sunday, April 18, 2010

SCRAPIE AND ATYPICAL SCRAPIE TRANSMISSION STUDIES A REVIEW 2010

http://scrapie-usa.blogspot.com/2010/04/scrapie-and-atypical-scrapie.html


14th ICID International Scientific Exchange Brochure -

Final Abstract Number: ISE.114

Session: International Scientific Exchange

Transmissible Spongiform encephalopathy (TSE) animal and human TSE in North America

update October 2009

T. Singeltary

Bacliff, TX, USA

Background:

An update on atypical BSE and other TSE in North America. Please remember, the typical U.K. c-BSE, the atypical l-BSE (BASE), and h-BSE have all been documented in North America, along with the typical scrapie's, and atypical Nor-98 Scrapie, and to date, 2 different strains of CWD, and also TME. All these TSE in different species have been rendered and fed to food producing animals for humans and animals in North America (TSE in cats and dogs ?), and that the trading of these TSEs via animals and products via the USA and Canada has been immense over the years, decades.

Methods:

12 years independent research of available data

Results:

I propose that the current diagnostic criteria for human TSEs only enhances and helps the spreading of human TSE from the continued belief of the UKBSEnvCJD only theory in 2009. With all the science to date refuting it, to continue to validate this old myth, will only spread this TSE agent through a multitude of potential routes and sources i.e. consumption, medical i.e., surgical, blood, dental, endoscopy, optical, nutritional supplements, cosmetics etc.

Conclusion:

I would like to submit a review of past CJD surveillance in the USA, and the urgent need to make all human TSE in the USA a reportable disease, in every state, of every age group, and to make this mandatory immediately without further delay. The ramifications of not doing so will only allow this agent to spread further in the medical, dental, surgical arena's. Restricting the reporting of CJD and or any human TSE is NOT scientific. Iatrogenic CJD knows NO age group, TSE knows no boundaries. I propose as with Aguzzi, Asante, Collinge, Caughey, Deslys, Dormont, Gibbs, Gajdusek, Ironside, Manuelidis, Marsh, et al and many more, that the world of TSE Transmissible Spongiform Encephalopathy is far from an exact science, but there is enough proven science to date that this myth should be put to rest once and for all, and that we move forward with a new classification for human and animal TSE that would properly identify the infected species, the source species, and then the route.

page 114 ;

http://ww2.isid.org/Downloads/14th_ICID_ISE_Abstracts.pdf


To date the OIE/WAHO assumes that the human and animal health standards set out in the BSE chapter for classical BSE (C-Type) applies to all forms of BSE which include the H-type and L-type atypical forms. This assumption is scientifically not completely justified and accumulating evidence suggests that this may in fact not be the case. Molecular characterization and the spatial distribution pattern of histopathologic lesions and immunohistochemistry (IHC) signals are used to identify and characterize atypical BSE. Both the L-type and H-type atypical cases display significant differences in the conformation and spatial accumulation of the disease associated prion protein (PrPSc) in brains of afflicted cattle. Transmission studies in bovine transgenic and wild type mouse models support that the atypical BSE types might be unique strains because they have different incubation times and lesion profiles when compared to C-type BSE. When L-type BSE was inoculated into ovine transgenic mice and Syrian hamster the resulting molecular fingerprint had changed, either in the first or a subsequent passage, from L-type into C-type BSE. In addition, non-human primates are specifically susceptible for atypical BSE as demonstrated by an approximately 50% shortened incubation time for L-type BSE as compared to C-type. Considering the current scientific information available, it cannot be assumed that these different BSE types pose the same human health risks as C-type BSE or that these risks are mitigated by the same protective measures.

http://www.prionetcanada.ca/detail.aspx?menu=5&dt=293380&app=93&cat1=387&tp=20&lk=no&cat2


Seven main threats for the future linked to prions

The NeuroPrion network has identified seven main threats for the future linked to prions.

First threat

The TSE road map defining the evolution of European policy for protection against prion diseases is based on a certain numbers of hypotheses some of which may turn out to be erroneous. In particular, a form of BSE (called atypical Bovine Spongiform Encephalopathy), recently identified by systematic testing in aged cattle without clinical signs, may be the origin of classical BSE and thus potentially constitute a reservoir, which may be impossible to eradicate if a sporadic origin is confirmed. Also, a link is suspected between atypical BSE and some apparently sporadic cases of Creutzfeldt-Jakob disease in humans. These atypical BSE cases constitute an unforeseen first threat that could sharply modify the European approach to prion diseases....

http://www.neuroprion.org/en/np-neuroprion.html


Thursday, August 12, 2010

Seven main threats for the future linked to prions

http://prionpathy.blogspot.com/2010/08/seven-main-threats-for-future-linked-to.html


http://prionpathy.blogspot.com/


Sunday, August 15, 2010

ATYPICAL BSE NOW LINKED TO CAUSING SPORADIC CJD OVERSEAS Commonwealth of Australia

http://bse-atypical.blogspot.com/2010/08/atypical-bse-now-linked-to-causing.html


Tuesday, January 18, 2011

Agent strain variation in human prion disease: insights from a molecular and pathological review of the National Institutes of Health series of experimentally transmitted disease

http://transmissiblespongiformencephalopathy.blogspot.com/2011/01/agent-strain-variation-in-human-prion.html


Friday, January 7, 2011

MEAT AND BONE MEAL AND MINERAL FEED ADDITIVES MAY INCREASE THE RISK OF ORAL PRION DISEASE TRANSMISSION

Journal of Toxicology and Environmental Health, Part A, 74:161-166, 2011 Copyright © Taylor & Francis Group, LLC ISSN: 1528-7394 print / 1087-2620 online DOI: 10.1080/15287394.2011.529066

http://transmissiblespongiformencephalopathy.blogspot.com/2011/01/meat-and-bone-meal-and-mineral-feed.html


Tuesday, November 02, 2010

BSE - ATYPICAL LESION DISTRIBUTION (RBSE 92-21367) statutory (obex only) diagnostic criteria CVL 1992

http://bse-atypical.blogspot.com/2010/11/bse-atypical-lesion-distribution-rbse.html


Wednesday, July 28, 2010

Atypical prion proteins and IBNC in cattle DEFRA project code SE1796 FOIA Final report

http://bse-atypical.blogspot.com/2010/07/atypical-prion-proteins-and-ibnc-in.html


Friday, August 27, 2010

NEW ATYPICAL NOR-98 SCRAPIE CASE DETECTED IDAHO NOW 5 CASES DOCUMENTED 2010

http://nor-98.blogspot.com/2010/08/new-atypical-nor-98-scrapie-case.html


Thursday, August 19, 2010

SCRAPIE CANADA UPDATE Current as of 2010-07-31 The following table lists sheep flocks and/or goat herds confirmed to be infected with scrapie in Canada in 2010.

Current as of: 2010-07-31

http://nor-98.blogspot.com/2010/08/scrapie-canada-update-current-as-of.html


the OIE and the USDA systematically changed the science with the BSE MRR policy, and put everyone around the globe at risk by taking us back to ground zero 1984-1985 kent bse cow.

Saturday, June 19, 2010

U.S. DENIED UPGRADED BSE STATUS FROM OIE

http://usdameatexport.blogspot.com/2010/06/us-denied-upgraded-bse-status-from-oie.html


Monday, September 13, 2010


atypical BSE strains and sporadic CJD strains, is there a connection and why shouldn't there be $

http://bse-atypical.blogspot.com/2010/09/atypical-bse-strains-and-sporadic-cjd.html


Sunday, August 15, 2010

ATYPICAL BSE NOW LINKED TO CAUSING SPORADIC CJD OVERSEAS Commonwealth of Australia

http://bse-atypical.blogspot.com/2010/08/atypical-bse-now-linked-to-causing.html


Thursday, November 18, 2010

UNITED STATES OF AMERICA VS GALEN J. NIEHUES FAKED MAD COW FEED TEST ON 92 BSE INSPECTION REPORTS FOR APPROXIMATELY 100 CATTLE OPERATIONS

http://bse-atypical.blogspot.com/2010/11/united-states-of-america-vs-galen-j.html


Wednesday, September 08, 2010

CWD PRION CONGRESS SEPTEMBER 8-11 2010

http://chronic-wasting-disease.blogspot.com/2010/09/cwd-prion-2010.html


Thursday, July 08, 2010

GLOBAL CLUSTERS OF CREUTZFELDT JAKOB DISEASE - A REVIEW 2010

http://creutzfeldt-jakob-disease.blogspot.com/2010/07/global-clusters-of-creutzfeldt-jakob.html


Wednesday, December 29, 2010

TRANSMISSIBLE SPONGIFORM ENCEPHALOPATHY PRION END OF YEAR REPORT DECEMBER 29, 2010

http://transmissiblespongiformencephalopathy.blogspot.com/2010/12/transmissible-spongiform-encephalopathy.html


Wednesday, June 16, 2010

Defining sporadic Creutzfeldt-Jakob disease strains and their transmission properties

http://creutzfeldt-jakob-disease.blogspot.com/2010/06/defining-sporadic-creutzfeldt-jakob.html


Tuesday, January 18, 2011

Agent strain variation in human prion disease: insights from a molecular and pathological review of the National Institutes of Health series of experimentally transmitted disease

http://transmissiblespongiformencephalopathy.blogspot.com/2011/01/agent-strain-variation-in-human-prion.html




Wednesday, January 19, 2011

EFSA BIOHAZ Scientific Opinion on the revision of the quantitative risk assessment (QRA) of the BSE risk posed by processed animal proteins (PAPs)

EFSA Journal 2011;9(1):1947


http://transmissiblespongiformencephalopathy.blogspot.com/2011/01/efsa-biohaz-scientific-opinion-on.html





DID EVERYONE FILL OUT THEIR CJD QUESIONNAIRE FROM THE CDC AND OR THE CJD FOUNDATION ???


Friday, November 30, 2007

CJD QUESTIONNAIRE USA CWRU AND CJD FOUNDATION

http://cjdquestionnaire.blogspot.com/





Terry S. Singeltary Sr. P.O. Box 42 Bacliff, Texas USA 77518