http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12530114&dopt=Abstract
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Vaccines, viruses, and voodoo.
Borchers AT, Keen CL, Shoenfeld Y, Silva J Jr, Gershwin ME.
Division of Rheumatology, Allergy and Clinical Immunology, University of
California at Davis, Davis, CA, USA.
Vaccinations are invaluable in protection from a wide variety of diseases that
can cause substantial morbidity and mortality. Although a rare complication of
vaccination, autoimmune disorders represent one of these morbidities.
Recently, widespread public concern has arisen from case reports suggesting
that--similar to what has been observed after natural viral infections--there
might be an association between specific immunizations and autoimmune
diseases. Herein we address the biological plausibility of such a connection,
focusing particularly on the examples of hepatitis B, rubella, and
measles-mumps-rubella (MMR) vaccinations, and the autoimmune diseases they are
potentially associated with. Our review of the available data suggests that,
for the general population, the risk: benefit ratio is overwhelmingly in favor
of vaccinations. However, the possibility cannot be ruled out that, in
genetically susceptible individuals, vaccination can result in the unmasking
of an autoimmune disease triggered by the immunization. We also critically
examine the existing data suggesting a link between immunization against MMR
and autism, and briefly discuss the controversial evidence pointing to a
possible relationship between mercury exposure from vaccines and autistic
disorders. There is a continued urgent need for rigorously designed and
executed studies addressing these potential associations, although the use of
vaccinations remains a critical public health tool for protection against
infectious disease.
PMID: 12530114 [PubMed - in process]