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From: TSS ()
Subject: Re: UK blood donors identified as at increased risk of vCJD are to be notified of their status
Date: July 21, 2005 at 6:24 pm PST
In Reply to: UK blood donors identified as at increased risk of vCJD are to be notified of their status posted by TSS on July 21, 2005 at 1:32 pm:
----- Original Message ----- From: "Terry S. Singeltary Sr." To: "Bovine Spongiform Encephalopathy" Cc: Sent: Thursday, July 21, 2005 8:28 PM Subject: [BLOODCJD] Re: NOTIFICATION EXERCISE BEGINS TO REDUCE RISK OF VCJD TRANSMISSION > an old friend ponders. > > this is a very big story -- i am trying to figure out what the heck has > been left out. > > They must have done in-depth medical procedure histories on the > victims, noticed that all 3 were blood recipients in the same year, > then gone ballistic when they saw overlap in donors, but could not > narrow it down any more than these 100 because of poor records or blood > pooling. overall the statistics must have been astronomically against > such a coincidence. > > How could 3 people have received blood from 100? Was this whole blood > used during big trauma surgery or some pooled blood product such as > leucocytes (now banned) going to regular recipients such as > hemophiliacs? Did the 3 die after the same length incubation say 12 > years or was it proportionally shortened according to the number of > units they received? > > "A further 3,000 people who received blood from the donors but have not > shown signs of vCJD may also be contacted." > > How could 3000 people receive blood from 100 donors? Unless they were > very regular donors or it is some pooled blood product such as > leucocytes. How many of the the 3,000 recipients themselves have gone > on to be leucocyte donors themselves? It is quite common for > appreciative recipients to later become donors. And their recipients no > doubt have gone on to be donors. > > It seems to me the multipliers are just prodigous at each round. start > with 100 to 3000 is a 30x multipliere. 3000 at 30x is 90,000. 90,000 x > 30x = 2.7 million. It is like walt disney running amock in the > Sorcerer's Apprentice. > > Why aren't the 1993/94 donors of the infected blood dead or at least > symptomatic? Well for one thing they might be met-val or val-val which > would open up a whole can of worms of whether these genotypes become > carriers -- typhoid marys -- that don't develop or only very slowly > develop neurological sign. oops, that would be 60% of their population > or 36 million people. > > fascinating lack of discussion of what followup studies are in the > works. > > > Blood donors warned over vCJD > About 100 UK blood donors are being warned they may have vCJD. > > All gave blood to three people in 1993/4 who have since died from the > human > form of mad cow disease. > > Precautions were brought in during 1999 when it became apparent that > there > was a potential for the prion disease to be transmitted through donor > blood. > > The Department of Health has asked the 100 donors to notify their > doctors > so extra precautions can be taken if they have surgery or other invasive > care. > > It is sensible to proceed with highly precautionary measures such as > this > to rule out any possibility of onward transmission > Chief Medical Officer Sir Liam Donaldson > > They are also being asked not to donate any more blood, tissue or > organs. > The department said the move was a precautionary measure. > > A further 3,000 people who received blood from the donors but have not > shown signs of vCJD may also be contacted. > > It is not known whether the source of vCJD in the three patients who > died > was related to the blood that they received or BSE-infected meat that > they > ate. > > Back in September, the government identified 17 people who received > blood > transfusions from people who went on to develop vCJD and sent out 6,000 > letters to others informing them of the potential risk. > > Since 1997 all cases of vCJD that are reported to the National CJD > Surveillance Unit and diagnosed as having "probable" vCJD are passed on > to > the National Blood Service which searches its blood donor records. > > If the patient has given blood, subsequently any stocks of that blood > are > immediately destroyed. > > White blood cells, which it is thought may carry the greatest risk of > transmitting the disease, have been removed from all blood used for > transfusion since 1999. > > And blood products have been prepared from plasma imported from the US > since 1998. > > At the end of December 2003, the total number of vCJD cases was in the > UK > was 145, including 139 deaths. > > There is no test for the brain wasting disease so those at risk have > no way > of knowing whether they have vCJD. > > > Public safety > > Chief Medical Officer Sir Liam Donaldson said: "When a recipient of a > blood > transfusion goes on to develop vCJD, we have to consider the possibility > that the infection could have been passed on through the transfusion. > > "Until a reliable blood screening test becomes available, it is > sensible to > proceed with highly precautionary measures such as this to rule out any > possibility of onward transmission of the disease." > > Dr Angela Robinson from the National Blood Service said: "This > notification > exercise will affect in the order of 100 donors. > > "If you have donated blood in the last five years and are not contacted > shortly, you can be assured that you are not involved in this new safety > measure and need to take no further action. > > "For those people who are involved, this information may be difficult > to > absorb. That is why we have set up the National Blood Service helpline > and > are working with their doctors and other clinicians, to ensure that they > have the information and support they need." > > She urged the public to continue donating blood, saying that the NHS > depended on this continued commitment in order to be able to save lives. > > Story from BBC NEWS: > http://news.bbc.co.uk/go/pr/fr/-/1/hi/health/4699349.stm > > Published: 2005/07/20 12:08:03 GMT > > © BBC MMV > > TSS > > > > ----- Original Message ----- > From: "Terry S. Singeltary Sr." > To: > Sent: Wednesday, July 20, 2005 1:30 PM > Subject: NOTIFICATION EXERCISE BEGINS TO REDUCE RISK OF VCJD TRANSMISSION > > > ##################### Bovine Spongiform Encephalopathy > ##################### > > Wednesday 20 July 2005 13:15 > Department of Health (National) > > NOTIFICATION EXERCISE BEGINS TO REDUCE RISK OF VCJD TRANSMISSION > > > An extension to the precautionary measures to reduce the risk of > transmitting vCJD through blood transfusion and surgical procedures, began > today. Around 100 people who donated blood to three people who later > developed vCJD, are being told that they may have a greater chance of > carrying the vCJD agent, compared with the general population. > > They will be asked not to donate blood, tissue or organs and to inform > health professionals so extra precautions can be taken should they have > surgery or other invasive procedures. > > Although it is not known whether the source of vCJD in these patients is > related to the blood that they received, precautionary steps are being taken > to inform and provide support to the individuals as well as safeguard public > health. This is being done on the advice of two expert committees and a > detailed risk assessment exercise. > > Notification of donors is taking place via letters from the National Blood > Service who are working closely with the Health Protection Agency to > identify the people involved. The letters that people receive will provide > the telephone number for a dedicated helpline staffed by senior transfusion > experts from the National Blood Service, and will also advise them to > contact their GP for more information, advice and support. > > The likelihood of a person who may be infected with vCJD going on to develop > symptoms of the disease is uncertain. It is possible that an infected person > may never develop symptoms. > > The Chief Medical Officer, Sir Liam Donaldson said: > > "We need to ensure that appropriate action is taken on any new information > that becomes available on the risk of transmission of vCJD, to protect the > public as much as possible. When a recipient of a blood transfusion goes on > to develop vCJD, we have to consider the possibility that the infection > could have been passed on through the transfusion. > > "Until a reliable blood screening test becomes available, it is sensible to > proceed with highly precautionary measures such as this to rule out any > possibility of onward transmission of the disease. We are committed to > further research to help us understand this disease and diagnose infection > at an early stage. > > "Following the identification of vCJD, we introduced a number of measure to > reduce the possible risk that infection could be transmitted through the > blood supply. Since the announcement in December 2003 of the first case of > possible transfusion-associated transmission of vCJD, we have further > strengthened these preventative measures.The decisions taken so far have > been based on the principles of caution and openness. This announcement > today is a continuation of the process." > > Dr Angela Robinson from the National Blood Service said: > > "Blood donors are highly committed to helping other people and we greatly > value their contribution. The NHS depends upon their continued commitment in > order to be able to save lives. > > "This notification exercise will affect in the order of 100 donors. If you > have donated blood in the last five years and are not contacted shortly, you > can be assured that you are not involved in this new safety measure and need > to take no further action. > > "For those people who are involved, this information may be difficult to > absorb. That is why we have set up the National Blood Service helpline and > are working with their doctors and other clinicians, to ensure that they > have the information and support they need." > > Notes to editors: > > 1. This notification exercise has been done after a detailed risk assessment > by the Department of Health and reviewed by its relevant expert committees. > The risk assessment can be found at http://www.dh.gov.uk > > 2. The degree of increased risk for any individual donor depends on many > factors, including how many other donors' blood went to the infected > recipient. This varies very widely between these three recipients. > Individual donors will be able to find out more if they wish. > > 3. Of the 156 cases of vCJD to date, 4 have been confirmed as having had > blood transfusions that experts believe could be linked with their vCJD. For > one of these cases, the probable source of infection has already been > identified, as one of the donors went on to develop vCJD. For three cases, > transfusion remains a possible source of the recipient's infection. > > 4. The blood donors involved in England, all gave blood during 1993. > > 5. The two expert committees advising this course of action were the CJD > Incidents Panel and the Committee on the Microbiological Safety of Blood > Tissues and Organs. > > 6. Previous measures taken to improve the safety of blood in relation to > vCJD include the following: > > - From December 1997, blood components, plasma products or tissues obtained > from any individual who later develops vCJD, have been withdrawn/recalled. > - In July 1998, we announced that plasma for the manufacture of blood > products, such as clotting factors, would be obtained from non-UK sources. > - From November 1999, white blood cells (which may carry a significant risk > of transmitting vCJD) have been removed from all blood used for transfusion. > - In August 2002 we announced that fresh frozen plasma for treating babies > and young children born on or after 1 January 1996 would be obtained from > the USA. > - The report of the first possible case of transmission of vCJD by blood > transfusion was in December 2003. Following this, we announced in April 2004 > that individuals had themselves received a transfusion of whole blood > components since January 1980, would be excluded from donating blood. (In > July 2004, the second possible case of transmission of vCJD by blood > transfusion was reported.) > - On July 2004, the exclusion criteria for blood donation were extended to > include two new groups, who had received transfusions of whole blood > components since 1980: > - Previously transfused platelet donors > - Donors who were unsure if they had previously had a blood transfusion. > > This means that for blood donation the full exclusion criteria are: > - Recipients of dura mater grafts. > - Recipients of corneal or scleral grafts. > - Recipients of human pituitary derived extracts such as growth hormone or > gonadotrophins. > - Individuals at familial risk of prion-associated diseases. This includes > individuals who have had two or more blood relatives develop a > prion -associated disease and individuals who have been informed they are at > risk following genetic counselling. > - Individuals who had themselves received a transfusion of whole blood. > components since January 1980 are excluded from donating blood. > - Individuals identified as 'at risk' by CJD Incidents Panel. > - Previously transfused platelet donors. > - Donors who were unsure if they had previously had a blood transfusion. > > - In September 2004, the Department of Health announced further > precautionary measures for patients who had received certain batches of > plasma products. > - In July 2005 the use of USA sourced fresh frozen plasma (FFP) was extended > to all children up to the age of 16. > > 7. There is currently no validated diagnostic test that can be used before > the onset of clinical symptoms to diagnose whether someone has contracted > vCJD. Since 1995, the Department has contributed over £30 million into CJD > research, including research for the development of an effective test. > > > > > HOUSE OF COMMONS > > Notice of Written > Ministerial Statement > > > > > Title of Secretary of State/Ministerial > head of department: The Under Secretary of State (Public Health) > > > > > Subject of Statement: Secondary Transmission of Variant CJD > Recommendations for Further Health Precautions > > > > > 1. Notice of written Statements for the following day will be placed on the > effective Orders of the Day. Otherwise, the notices will be placed on Future > Business E (written ministerial statements). Notices may be given of written > statements to be made not later than 5 sitting days after the day on which > notice was given. > > WRITTEN MINISTERIAL STATEMENT > > DEPARTMENT OF HEALTH > > 20 July 2005 > > The Under Secretary of State (Public Health): Written Ministerial Statement > on secondary transmission of vCJD > > The Under Secretary of State (Public Health): (Ms Caroline Flint) > > Further to the statements made to the House by the then Secretary of State > (Dr John Reid) on 17 December 2003 and 16 March 2004 (and the written > statements of 22 July 2004 and 9 September 2004) concerning variant > Creutzfeldt-Jakob disease (vCJD) and blood, I wish to provide a further > update on this subject. > > Following cases of possible transmission of vCJD by blood transfusion, we > have already put in place a series of precautionary public health measures. > These include: > - In December 2003 we put in place arrangements for contacting recipients of > blood from donors who went on to develop vCJD so that any necessary action > could be taken; > - Since April 2004 we have excluded anyone who has received a blood > transfusion since January 1980 from donating blood. > - In September 2004 we announced arrangements to identify and notify > patients who had received certain batches of UK manufactured plasma > products. > > In the light of further advice I have received from two of my Department's > expert committees, the CJD Incidents Panel (CJDIP) and the Committee on > Microbiological Safety of Blood, Tissues and Organs (MSBTO), I am now > announcing further public health precautions in relation to a small group of > blood donors whose blood has been transfused to people who later developed > vCJD. > > The Chief Medical Officer, Sir Liam Donaldson, had asked the expert > committees to consider the implications for donors where a recipient of > their blood had developed vCJD. The recommendations of the committees are > based on an assessment of risk undertaken by the Department of Health's > analysts. The risk assessment is being published on the Department's > website. > > There are 110 donors in the UK whose blood was given to three people who > later developed vCJD and for whom this blood might be a possible source of > their infection. The advice of the committees is that, although we do not > know whether these cases of vCJD could be related to the blood that they > received, we should take precautionary steps to inform and support the > individual blood donors concerned and to safeguard public health. > > As an extension to the current precautionary measures, these people are > being contacted by the National Blood Service and advised not to donate > blood, tissues or organs. Current donors from this group of 110 are being > contacted today and offered expert advice and support. The National Blood > Service will contact the GPs of lapsed donors, that is those who have not > donated blood during the last five years, and make arrangements to contact > these people as soon as practicable. > > The committees have also advised that the donors in question should be > considered at risk of vCJD for wider public health purposes and that the > donors and their clinicians should be informed of their risk status and > asked to implement the public health precautions currently specified by the > CJD Incidents Panel. This means that they should inform doctors, nurses and > dentists of their status if they present for surgery or other invasive > medical procedures. > > These public health precautionary measures are the same as those applied to > any patients considered by the CJDIP to be at risk of vCJD, including the > individuals notified following the previous statements to the House. > > There is another group of people for whom further public health precautions > may need to be considered. This group is all the other recipients of blood > from the currently identified group of 110 donors (estimated to be up to > 3,000 individuals). At present, these people are already excluded from blood > donation themselves by the measures implemented in April 2004. I have asked > for additional expert advice on this group and I will take further action if > necessary. > > Blood donors should be assured that it is not possible to contract vCJD by > giving blood. Blood donors are highly committed to helping others and we > greatly value their contribution. The NHS depends on their continued > commitment to donating blood which saves lives every day in this country. > > The vast majority of the over two million current blood donors will not be > involved in this new safety measure and need take no action. However, > current and past blood donors who are concerned can contact the National > Blood Service helpline on 0845 7711 711. > > People who have received blood donations and other members of the public who > are concerned should contact NHS Direct on 0845 850 9850. > > As with our actions to date on the possible transmission of vCJD, we > continue to follow a highly precautionary approach. > > > > > > > > > > > Client ref 2005/0256 > > GNN ref 118433P > > > > http://www.gnn.gov.uk/content/detail.asp?NewsAreaID=2&ReleaseID=164111 > > > > TSS > > #################### https://lists.aegee.org/bse-l.html > #################### > >
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