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> To Vet Times, BSAVA, BVA, the Kennel Club, the FAB, and the Dog and
>
> Dear Sir or Madam,
>
> Re the Recent debates as to whether annual booster vaccination of
> necessary.
>
> We appreciate that the recent developments (1) in the ongoing
> regarding annual booster vaccines for dogs and cats has left the
> profession and the pet owning public in a dilemma as to the
> take, especially when considering the animal welfare and consumer
> issues involved.
>
> It seems that on one hand you have the vaccine manufacturers, who
> hiding behind legislation and the advice of an industry report
> that annual vaccination must be continued relies on the following
>
> (a) They do not know the actual duration of immunity
>
> (b) Vaccines do not cause significant harm, so annual
> acceptable.
>
> This is also the stated view of the veterinary organisations i.e.
> BSAVA (3)
>
> However, the incoming President of the BSAVA Dr Ian Mason has been
> saying after due consideration of the evidence, the current
> vaccination of animals may need to be refined (4). Vaccine
> have known about the changes in recommendations in response to
> in the US for some time, and have been affiliated to UK groups,
> Group (11) that have been looking at the work quoted (1). So far
> only action to be taken has been that of Intervet UK in extending
> of immunity for Distemper, Hepatitis and Parvo to 3 years. While
> welcomed, no mention has been made yet of the Cat situation.
>
> On the other side there is a small but growing number of veterinary
> strongly supportive public who are citing recent reports and
> (5,6,7,17,18) and conclude
>
> (a) That duration of immunity for parvovirus, adenovirus,
> and feline enteritis (18), is established as >7years, and for feline
> and herpes (5,18) is established for at least 4 years, and it seems
> booster vaccinations does not offer any further protection (6).
> vaccination is not needed for dogs and cats (with the exception of
> discussed below)
>
> (b) That vaccines can cause harm (5,8,9,11,14,18) and
> vaccination should be avoided if at all possible.
>
> Additionally they also consider that information from the
> notable. These state that about 50% of dogs (10) and 2/3 of cats
> are not vaccinated at all or only infrequently, but where are the
> outbreaks of the diseases one would expect if the duration of
> short as to need annual Boosters?
>
> While following the recent debate, there seems to have been only two
> forward for continuing annual booster vaccines in dogs and cats.
>
> First there has been suggestion that the originating letter calling
> of booster vaccines was written by homeopaths and by inference
> in fact this was cited as relevant correspondence for the debate
> from a vaccine manufacturer to all vets in the UK (12) and the
> misguidedly it seems seeking to use this (13). Whilst it is true
> signatories have interests in this field, it is certainly not the
> the signatories do. All are scientifically trained Vets in the first
> recommend initial vaccination, and they quote the recent published
> research of others.
>
> Secondly, and perhaps more significantly, is the argument for
> vaccine, where it is claimed there is a poor duration of immunity
> vaccination of dogs only for this must continue. This has been the
> research in the USA, and it is appropriate that we in the UK are
> findings. We summarise them below
>
> 1. Immunity to Leptospirosis is complex and poorly
> only be measured by challenge studies. This is ethically
> to examine what is happening in the field by epidemiological
>
> 2. Kansas University reports that the Leptospirosis vaccine
> cause of vaccine reactions, so much so that they consider the risks
> benefits. It is no longer considered a core vaccine and they even
> should not be given to puppies (9,14).
>
> 3. Another study found the vaccine highly immunosuppressive
> recommended that the vaccine should not be given in conjunction
> vaccines (it is currently in the UK).
>
> 4. The Leptospirosis vaccine does not protect the dog from
> with the disease; it just minimises the clinical symptoms. Hence
> be/have been a real risk of vaccinated healthy dogs shedding the
> possibly posing a threat to other dogs and humans. Although one
> recently claimed it has a new vaccine to prevent this, the clinical
> conducted to test the vaccine was based on a sample of only 6 dogs
> opinion a study so narrowly based cannot of course be scientifically
>
> 5. The duration of immunity measurable by titre induced by
> Leptospirosis vaccine can be as little as a few months (14,16) yet
> interval for boosters is 1 year, which it seems has been an entirely
> recommendation. By inference it may well be therefore that even
> have not been protected as their owners expect.
>
> 6. There is little protection between serovars (types). Use of the
> USA has led to a shift in the serovars such that the serovars now
> are not the ones used in the vaccines (14). Can we assume this is
> UK? Are we now vaccinating against a disease that barely exists in
> vaccinated for?
>
> 7. The vaccine efficacy seems between only 50 -70%, depending on the
>
>
> The outgoing president of the BSAVA, Dr Freda Scott-Park, stated
> science is there the profession would respond. The science is
> profession must respond now or lose all credibility in this
> working parties have resulted in the removal of mass vaccination
> favour of individual vaccination programmes and consumer choice.
> answer the issues of insurance and kennels/catteries that are now
> well as restoring public faith in the industry.
>
> Whilst we have no wish to presuppose findings in the UK, it is our
> establish a truly independent working party under lay chairmanship
> review the scientific data, to raise questions with the
> as soon as practically possible to the profession and the public.
> invite interested parties (with no links to vaccine manufacturers)
> cat world, the BSAVA, the BVA, FAB and individual veterinary
> their interest in participating by writing to us at the address
> practical.
>
> Yours faithfully
>
>
>
>
> Mark Elliott BVSc VetMFHom MRCVS MIPsiMed
> John Saxton BVetMed VetFFHom MRCVS
> Sonya Winsor BSc(Hons) PhD BVetMed MRCVS
>
> Address for correspondence: 22A East Street, Westbourne, West
>
>
> Reference:
> 1. Allport et al, Letter in Veterinary Times 26-01-04 Call to
> Annual Vaccination
> 2. Gaskell RM et al (2002) Veterinary Products Committee (VPC)
> feline and canine vaccination final report to the VPC. DEFRA, PB
> 6432.www.vpc.gov.uk
> 3. BSAVA/BVA joint statement on the vaccination controversy 2004.
> 4. Veterinary Review (2004) Looking Reality in the Eye. An
> President Ian Mason. Pg 20-22, April 2004.
> 5. Paul M et al, (2003) Report of the American Animal Hospital
> Canine Vaccine Taskforce: Executive Summary and 2003 Canine Vaccine
> Recommendations. Journal of the American Animal Hospital
> 6. Bohm M et al, (2004) Serum antibody titres to Canine Parvovirus,
> distemper virus in dogs in the UK which had not been vaccinated for
> years. The Veterinary Record April 10, 2004. 457-463
> 7. Richards J et al (2001) 2000 Report of the American Association
> Practitioners and Academy of Feline Medicine Advisory Panel on
> Journal of Feline Medicine and Surgery 3, 47-72
> 8. Meyer EK (2001) Vaccine Associated adverse events. Veterinary
> America Small Animal Practice 31, 493-514
> 9.
> 10. Intervet Mailing to Veterinary Surgeons
> 11. Report of the Cat Group on Vaccination.
> www.users.waitrose.com/~thecatgroup/vacc.html
> 12. Intervet Mailing to Veterinary Surgeons 22-03-04
> 13. Nelson M (2004) Freda shows the BVA what to expect. Vet Times
> 14. Greene C et al (2001) Canine Vaccination. Veterinary Clinics of
> America Small Animal Practice 31, 473-492
> 15. Intervet Literature on Nobivac Lepto 2 at last. A lepto
> renal shedding 2004.
> 16. Coyne MJ, (2001) Duration of Immunity in Dogs after vaccination
> acquired infection. The Veterinary Record 149, 509-515.
> 17. Vaccination in Cats: which ones and how often? Report in Vet
> 2004, pg 452
> 18. Sparkes A. The Vaccination debate continues. Veterinary Review
>
>
> Nick Thompson BSc.(Hons), BVM&S, VetMFHom, MRCVS.
>
> Holisticvet Ltd.
> Homeopathy, Acupuncture and Nutrition for Horses, Cats and Dogs
>
> Apthorp, Weston Road,
> Bath BA1 2XT
>
> Tel: 08700 111 340
> Fax: 07092 233 930
> Mob: 07881 811 590
>
> Email: nickthompson@h...
> Website: http://www.holisticvet.co.uk/
>
>
>
>
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