Anecdotal case reports and uncontrolled observational studies in the medical
literature claim that vaccines cause chronic diseases such as asthma,
multiple sclerosis, chronic arthritis, and diabetes. Several biological
mechanisms have been proposed to explain how vaccines might cause allergic
or autoimmune diseases. For example, allergic diseases might be caused by
prevention of early childhood infections (the "hygiene hypothesis"), causing
a prolongation of immunoglobulin E-promoting T-helper cell type 2-type
responses. However, vaccines do not prevent most common childhood
infections, and large
well-controlled epidemiologic studies do not support the hypothesis that
vaccines cause allergies.
[And just what are these "large well-controlled epidemiologic studies"? I
am sure that you never studied casein (milk) allergy which is due to the
casein in the Hepatitis B shot given to infants before they are 2 months
old. Or how about a soy allergy study? Soy is an ingredient in the
Pneumococcal
Conjugate vaccine given to babies at 2 months of age. And gee, soy allergy
doesn't show up quite as early as milk allergy. Usually it shows up by 3
months of age. And what about the deadly peanut allergy? It is a protected
trade secret that peanut oil is used so I guess we don't need to study the
effects.... What allergies did you study? I know you studied asthma
(Asthma is probably due to medicines that have nasty side effects that are
exactly like asthma....) And I suppose you studied hay fever. Where
are you food allergy studies? I suppose you took a vaccine that doesn't
contain any egg ingredients and tried to relate it to egg allergy? -bfg]
Autoimmune diseases
might occur after immunization because proteins on microbial pathogens are
similar to human proteins ("molecular mimicry") and could induce immune
responses that damage human cells.
However, wild-type
viruses and bacteria [It is interesting that "wild-type viruses
and bacteria" can contaminate vaccines. But you are saying that wild viruses
and bacteria also cause autoimmune diseases but you don't say that vaccines
are not responsible! - bfg]
are much better adapted to growth in humans than vaccines and much more
likely to stimulate potentially damaging self-reactive lymphocytes.
Consistent with critical differences between natural infection and
immunization, well-controlled epidemiologic studies do not support the
hypothesis that vaccines cause autoimmunity.
[Your "well-controlled" studies have
some major flaws. They don't prove what you say they do. And you should list
them. - bfg]
Flaws in proposed biological mechanisms that explain how vaccines might
cause chronic diseases are consistent with the findings of many
well-controlled large epidemiologic studies that fail to show a causal
relationship. ...
Antibiotics that are used during vaccine manufacture include
neomycin,
streptomycin, polymyxin B, chlortetracyline, and amphotericin B.
Only
neomycin is contained in vaccines in detectable quantities.
However, immediate-type
hypersensitivity reactions to the small quantities of
neomycin
contained in vaccines has
not been clearly documented. Although
neomycin-containing
products have been found to cause
delayed-type hypersensitivity
reactions, these reactions are not a contraindication to
receiving vaccines.
[So, neomycin causes immediate-type hypersensitivity reactions which are
documented.... but we haven't bothered to CLEARLY document it. It also
causes a DELAYED-TYPE of reaction but we haven't bothered with studying that
at all so that makes it safe? And this guy believes he follows scientific
evidence-based thinking? Ignore what evidence you have and make sure that no
one looks for any more evidence - I guess that is the new scientific
method.-bfg]
Parents should be reassured that quantities of mercury, aluminum,
and formaldehyde contained in vaccines are
likely to be harmless
[since when does
"likely" mean "actually"??? - bfg]
on the basis of exposure studies
in humans or experimental studies in animals. Although
severe anaphylactic reactions may occur rarely after receipt of
vaccines that contain sufficient quantities of egg proteins (eg,
influenza, yellow fever) or gelatin (eg, MMR), children who are
at risk for severe infection with influenza can be desensitized
to influenza vaccine, and gelatin-specific allergies are very
rare. Immediate-type
hypersensitivity reactions to
neomycin
or yeast proteins have not been clearly documented and remain theoretical.
[No
studies about the other food proteins in the vaccines, we only look at immediate-type hypersensitivity reactions not delayed-type,
studies are based on exposure studies of individual toxins and not
having all these things mixed together and repeated
injected into a babies as though it is the same thing..... dang, how can
anyone question this man's scientific thinking??? Well, you'd better
start!!! - bfg]
http://pediatrics.aappublications.org/
PEDIATRICS Vol. 112
No. 6 December 2003, pp. 1394-1397
Addressing Parents’
Concerns: Do Vaccines Contain
Harmful Preservatives,
Adjuvants, Additives, or Residuals?
by
Paul A. Offit, MD
and Rita K. Jew, PharmD
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