Science Library Category:

Vaccines

Published: 2010
SYNOPSIS

Scientists review literature and raise concerns about denial of environmental toxin link to autism.

TITLE

Sorting out the spinning of autism: heavy metals and the question of incidence

CITATION

DeSoto MC, Hitlan RT. ACTA Neurobiological Experimentals. 2010;70:165–176.

SUMMARY

“In this paper, we argue that increasingly over the past decade, positions that deny a link to environmental toxins and autism are based on relatively weak science and are disregarding the bulk of scientific literature. The question about toxic exposure and autism is open, with the weight of evidence favoring a connection that is not well understood. Although it is not possible to say with certainty, it seems likely that the connection would be mediated by genetic susceptibility and ability to detoxify. That is, some people have genotypes that confer higher susceptibility to toxic exposures. If so, then 50 years ago few people would have had enough toxic exposure to have the neurological changes that result in autism.”

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Published: 2010
SYNOPSIS

Baby monkeys given U.S. vaccine schedule had brain abnormalities in region responsible for social and emotional development.

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Influence of pediatric vaccines on amygdala growth and opioid ligand binding in rhesus macaque infants: A pilot study

CITATION

Laura Hewitson, Brian J. Lopresti, Carol Stott, N. Scott Mason and Jaime Tomko1. ACTA Neurobiological Experimentals, 2010 70: 147–164.

SUMMARY

“The data suggest that vaccine exposure may be associated with significant disturbances in central opioidergic pathways in this model… Volumetric analyses identified significantly greater total brain volume in exposed compared with unexposed animals at both measured time points. These results raise the possibility that multiple vaccine exposures during the previous 3-4 months may have had a significant impact on brain growth and development.”

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Published: 2010
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SUNY-Stony Brook scientists find boys receiving the hepatitis B vaccine series are three times more likely to have autism.

TITLE

Hepatitis B vaccination of male neonates and autism diagnosis, NHIS 1997-2002

CITATION

Gallagher C, Goodman M. Journal of Toxicology and Environmental Health, Part A. 2010;73:1665–1677.

SUMMARY

“Boys vaccinated as neonates had threefold greater odds for autism diagnosis compared to boys never vaccinated or vaccinated after the first month of life. Findings suggest that U.S. male neonates vaccinated with the hepatitis B vaccine prior to 1999 (from vaccination record) had a threefold higher risk for parental report of autism diagnosis compared to boys not vaccinated as neonates during that same time period.”

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Published: 2010
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Acellular Pertussis vaccination interferes with the optimal clearance of B. parapertussis and enhances the performance of this pathogen. Our data raise the possibility that widespread acellular Pertussis vaccination can create hosts more susceptible to B. parapertussis infection.

TITLE

Acellular pertussis vaccination facilitates Bordetella parapertussis infection in a rodent model of bordetellosis

CITATION

Gráinne H. Long, Alexia T. Karanikas, Eric T. Harvill, Andrew F. Read and Peter J. Hudson, Proceedings of the Royal Society B, Biological Sciences; 03 March, 2010; Volume 277; https://doi.org/10.1098/rspb.2010.0010

SUMMARY

Despite over 50 years of population-wide vaccination, whooping cough incidence is on the rise. Although Bordetella pertussis is considered the main causative agent of whooping cough in humans, Bordetella parapertussis infections are not uncommon. The widely used acellular whooping cough vaccines (aP) are comprised solely of B. pertussis antigens that hold little or no efficacy against B. parapertussis. Here, we ask how aP vaccination affects competitive interactions between Bordetella species within co-infected rodent hosts and thus the aP-driven strength and direction of in-host selection. We show that aP vaccination helped clear B. pertussis but resulted in an approximately 40-fold increase in B. parapertussis lung colony-forming units (CFUs). Such vaccine-mediated facilitation of B. parapertussis did not arise as a result of competitive release; B. parapertussis CFUs were higher in aP-relative to sham-vaccinated hosts regardless of whether infections were single or mixed. Further, we show that aP vaccination impedes host immunity against B. parapertussis—measured as reduced lung inflammatory and neutrophil responses. Thus, we conclude that aP vaccination interferes with the optimal clearance of B. parapertussis and enhances the performance of this pathogen. Our data raise the possibility that widespread aP vaccination can create hosts more susceptible to B. parapertussis infection.

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Published: 2010
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British and Swedish scientists raise concerns about limited understanding of vaccine aluminum’s impact on the human body, raise risk of autoimmune response.

TITLE

The immunobiology of aluminium adjuvants: how do they really work?

CITATION

Exley C, Siesjo P, Eriksson H. Trends in Immunology. 2010;31:103-109.

SUMMARY

“Boys vaccinated as neonates had threefold greater odds for autism diagnosis compared to boys never vaccinated or vaccinated after the first month of life. Findings suggest that U.S. male neonates vaccinated with the hepatitis B vac- cine prior to 1999 (from vaccination record) had a threefold higher risk for parental report of autism diagnosis compared to boys not vaccinated as neonates during that same time period.”

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Published: 2010
SYNOPSIS

It is feasible that vaccinations may contribute to the mosaic of autoimmunity.

TITLE

Vaccines and autoimmune diseases of the adult

CITATION

Orbach H, Agmon-Levin N, Zandman-Goddard G. Discovery Medicine. 2014;10(2):101-107.

SUMMARY

Infectious agents contribute to the environmental factors involved in the development of autoimmune diseases possibly through molecular mimicry mechanisms. Hence, it is feasible that vaccinations may also contribute to the mosaic of autoimmunity. Evidence for the association of vaccinations and the development of these diseases is presented in this review.

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Published: 2009
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Vaccine aluminum injected into mice created significant motor deficits and motor neuron degeneration.

TITLE

Aluminum hydroxide injections lead to motor deficits and motor neuron degeneration

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Christopher A. Shaw and Michael S. Petrik. Journal Inorganic Biochemistry, 2009 November; 103(11): 1555.

SUMMARY

“Aluminum-treated mice showed significantly increased apoptosis of motor neurons and increases in reactive astrocytes and microglial proliferation within the spinal cord and cortex. Morin stain detected the presence of aluminum in the cytoplasm of motor neurons with some neurons also testing positive for the presence of hyper-phosphorylated tau protein, a pathological hallmark of various neurological diseases, including Alzheimer’s disease and frontotemporal dementia. A second series of experiments was conducted on mice injected with six doses of aluminum hydroxide. Behavioural analyses in these mice revealed significant impairments in a number of motor functions as well as diminished spatial memory capacity. The demonstrated neurotoxicity of aluminum hydroxide and its relative ubiquity as an adjuvant suggest that greater scrutiny by the scientific community is warranted. Overall, the results reported here mirror previous work that has clearly demonstrated that aluminum, in both oral and injected forms, can be neurotoxic.”

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Published: 2009
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Newborn monkeys given a mercury-containing hepatitis b vaccine had significant delays in neonatal reflexes and neurological development.

TITLE

Delayed acquisition of neonatal reflexes in newborn primates receiving a thimerosal-containing Hepatitis B vaccine: Influence of gestational age and birth weight

CITATION

Laura Hewitson, Lisa A. Houser, Carol Stott, Gene Sackett, Jaime L. Tomko, David Atwood, Lisa Blue, E. Railey White, Andrew J. Wakefield. NeuroToxicology, 2009; doi:10.1016/j.neuro.2009.09.008.

SUMMARY

“In summary, this study provides preliminary evidence of abnormal early neurodevelopmental responses in male infant rhesus macaques receiving a single dose of Th-containing HB vaccine at birth and indicates that further investigation is merited.”

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Published: 2009
SYNOPSIS

French scientists report aluminum from vaccines causes chronic cognitive dysfunction.

TITLE

Long-term persistence of vaccine-derived aluminum hydroxide is associated with chronic cognitive dysfunction

CITATION

Maryline Couette, Marie-Françoise Boisse, Patrick Maison, Pierre Brugieres, Pierre Cesaro, Xavier Chevalier, Romain K. Gherardi, Anne-Catherine Bachoud-Levi, François-Jérôme Authier. Journal of Inorganic Biochemistry, 2009.

SUMMARY

“In conclusion, long-term persistence of vaccine-derived aluminum hydroxide within the body assessed by MMF is associated with cognitive dysfunction, not solely due to chronic pain, fatigue and depression. In conclusion, this work is the first firm demonstration that cognitive dysfunction is a central feature in MMF, this dysfunction being much more frequent and severe than suspected by routine neurological evaluation. Instead of being a non-specific bystander effect of pain, fatigue or depression, MACD seems to reflect an underlying organic, inflammatory or toxic, brain involvement.”

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Published: 2009
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Swedish researchers found that children who had natural measles infection had much lower rates of allergy than children vaccinated against measles.

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Allergic disease and atopic sensitization in children in relation to measles vaccination and measles infection

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Rosenlund H, Bergstrom A, Alm JS, … PARSIFAL Study Group. Pediatrics. 2009;123(3):771-778.

SUMMARY

In these analyses, measles infection [natural measles] was inversely associated with any allergic symptom or physician’s diagnosis of allergy, suggesting that natural measles infection may protect against allergies in children.

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Published: 2008
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Higher aluminum intake from drinking water is associated with an increased risk of cognitive decline, dementia and Alzheimer’s disease.

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Aluminum and silica in drinking water and the risk of Alzheimer’s disease or cognitive decline: findings from 15-year follow-up of the PAQUID cohort

CITATION

Rondeau V, Jacqmin-Gadda H, Commenges D, Helmer C, Dartigues JF. Aluminum and silica in drinking water and the risk of Alzheimer’s disease or cognitive decline: findings from 15-year follow-up of the PAQUID cohort. American Journal of Epidemiology. 2009;169(4):489-496.

SUMMARY

A long-term study in Southern France found that a higher intake of aluminum from drinking water was linked to an increased risk of cognitive decline, dementia and Alzheimer’s disease. Conversely, an increase in silica intake (10 mg/day) reduced the risk of dementia. A unique feature of the study, which followed elderly individuals for 15 years, was its measurement of individual daily intake of drinking water (both tap and bottled water), in addition to assessing the geographical concentrations of aluminum and silica.  

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Published: 2008
SYNOPSIS

Boys receiving the hepatitis B vaccine series were nine times more likely to need special education and be developmentally disabled.

TITLE

Hepatitis B triple series vaccine and developmental disability in US children aged 1-9 years

CITATION

Gallagher C, Goodman M. Toxicological and Environmental Chemistry. 2008;90(5):997-1008.

SUMMARY

This study investigated the association between vaccination with the hepatitis B triple series vaccine (pre-2000) and subsequent developmental disability. The odds of receiving special education were approximately nine times as great for vaccinated boys as for unvaccinated boys, after adjustment for confounders. The evidence, statistically significant, suggests that boys in United States who were vaccinated with the triple series hepatitis B vaccine were more susceptible to developmental disability than were unvaccinated boys.

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Published: 2008
SYNOPSIS

Three gene variations are associated with adverse reactions to smallpox vaccination.  

TITLE

Genetic Basis for Adverse Events Following Smallpox Vaccination

CITATION

Reif DM, McKinney BA, Motsinger AA, Chanock SJ, Edwards KM, Rock MT, Moore JH, Crowe Jr. JE. Genetic basis for adverse events following smallpox vaccination. The Journal of Infectious Diseases. 2008;198(1):16-22.

SUMMARY

A pair of NIH-funded studies identified three genetic variations that make people more susceptible to systemic adverse events following smallpox vaccination. By studying the smallpox vaccine, the researchers focused on a vaccine historically noted for frequently causing adverse reactions in population-wide vaccination programs. In the two studies, 16/96 and 24/46 individuals experienced systemic adverse events after vaccination, and three candidate genes (MTHFR, IRF1 and IL4) had the strongest association with the adverse events. In susceptible individuals, “vaccination appears to trigger an acute inflammatory response that is excessive.”

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Published: 2008
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A CDC-sponsored database showed much higher rates of neurodevelopmental disabilities from mercury-containing vaccines.

TITLE

Thimerosal exposure in infants and neurodevelopmental disorders: An assessment of computerized medical records in the Vaccine Safety Datalink

CITATION

Young HA, Geier DA, Geier MR. Journal of the Neurological Sciences. 2008;121:626-631.

SUMMARY

“Consistent significantly increased rate ratios were observed for autism, autism spectrum disorders, tics, attention deficit disorder, and emotional disturbances with Hg [mercury] exposure from TCVs [thimerosal-containing vaccines]. By contrast, none of the control outcomes had significantly increased rate ratios with Hg exposure from TCVs.”

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Published: 2008
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Australian scientists describe the role of vaccines in triggering acute disseminated encephalomyelitis (“ADEM”).

TITLE

Post-vaccination encephalomyelitis: Literature review and illustrative case

CITATION

William Huynh, Dennis J. Cordato, Elias Kehdi, Lynette T. Masters, Chris Dedousis. Journal of Clinical Neuroscience, 15 (2008) 1315–1322.

SUMMARY

“Post-infectious and post-immunization encephalomyelitis make up about three-quarters of cases, where the timing of a febrile event is associated with the onset of neurological disease. Post-vaccination Acute disseminated encephalomyelitis has been associated with several vaccines such as rabies, diphtheria-tetanus-polio, smallpox, measles, mumps, rubella, Japanese B encephalitis, pertussis, influenza, hepatitis B, and the Hog vaccine. We review ADEM with particular emphasis on vaccination as the precipitating factor.”

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Published: 2008
SYNOPSIS

Children who delayed the timing of the DPT vaccine had lower rates of asthma.

TITLE

Delay in diphtheria, pertussis, tetanus vaccination is associated with a reduced risk of childhood asthma?

CITATION

McDonald KL, Huq SI. Journal of the American Academy of Allergy, Asthma and Immunology. 2008;121:626-631.

SUMMARY

“Early childhood immunizations have been viewed as promoters of asthma development by stimulating a T(H)2-type immune response or decreasing microbial pressure, which shifts the balance between T(H)1 and T(H)2 immunity. Among 11, 531 children who received at least 4 doses of DPT, the risk of asthma was reduced to (1/2) in children whose first dose of DPT was delayed by more than 2 months.”

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Published: 2007
SYNOPSIS

Neonatal deaths following hepatitis B vaccination should be investigated as possible vaccine-related deaths.

TITLE

An investigation of infant deaths following initial hepatitis B vaccination based on the Vaccine Adverse Event Reporting System (VAERS), 1992-2002

CITATION

Soldatenkova VA, Yazbak FE. Medical Veritas. 2007;4:1414-1421.

SUMMARY

This study argues that all unexpected neonatal deaths occurring after initial hepatitis B vaccination should be systematically investigated. Over one-fifth (22%) of neonatal hepatitis B vaccine injuries reported to the U.S. Vaccine Adverse Event Reporting System (VAERS) from 1992 to 2002 were deaths (38/170) that, in nearly all cases, occurred within hours or days of vaccination. Although most of the deaths were officially classified as sudden infant death syndrome (SIDS) or “unexplained” rather than as vaccine-related deaths, the authors note “a statistically significant increase in [the] proportion of neonatal SIDS since implementation of universal vaccination of newborns against hepatitis B.” The VAERS reports also are suggestive of higher risks for premature, small, or slightly ill infants.

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Published: 2006
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Repeated influenza vaccination at a young age substantially increases the risk of influenza at older ages.

TITLE

Repeated influenza vaccination of healthy children and adults: borrow now, pay later?

CITATION

Carrat F, Lavenu A, Cauchemez S, Deleger S. Repeated influenza vaccination of healthy children and adults: borrow now, pay later? Epidemiology & Infection 2006;134(1):63-70.

SUMMARY

This study shows that repeated influenza vaccination at younger ages may double the risk of influenza in the elderly. The study suggests that the “possible benefits of vaccinating children after 5 years of age, and otherwise healthy adults—particularly over a long period and mainly for economic reasons—could be outweighed by severe clinical consequences and increased costs in the elderly.” Moreover, the findings are “solely due to differences between vaccine-induced immunity and naturally acquired immunity.” Unlike vaccination, naturally acquired immunity can provide long-lasting protection against subsequent infection by the same viral subtype.

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Published: 2005
SYNOPSIS

The mercury used as a vaccine preservative is far more neurotoxic than the mercury found in fish.

TITLE

Comparison of Blood and Brain Mercury Levels in Infant Monkeys Exposed to Methylmercury or Vaccines Containing Thimerosal

CITATION

Thomas M. Burbacher, Danny D. Shen, Noelle Liberato, Kimberly S. Grant, Elsa Cernichiari, and Thomas Clarkson. Environmental Health Perspectives, Volume 113, Number 8, August 2005.

SUMMARY

The mercury used in vaccines (and still in the flu vaccine given to pregnant women) is far more toxic than the mercury found in fish, because it stays in the brain at much higher levels. “Data from the present study support the prediction that, although little accumulation of Hg in the blood occurs over time with repeated vaccinations, accumulation of Hg in the brain of infants will occur. Thus, conclusion regarding the safety of thimerosal drawn from blood Hg clearance data in human infants receiving vaccines may not be valid, given the significantly slower half-life of Hg in the brain as observed in the infant macaques. There was a much higher proportion of inorganic Hg in the brain of thimerosal monkeys than in the brains of MeHg monkeys (up to 71% vs. 10%). Absolute inorganic Hg concentrations in the brains of the thimerosal-exposed monkeys were approximately twice that of the MeHg monkeys.”

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Published: 2005
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Many heavy metals increase the apparent toxicity of low levels of mercury.

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Mercury toxicity: Genetic susceptibility and synergistic effects

CITATION

Haley BE. Medical Veritas. 2005;2:535–542.

SUMMARY

This article discusses mercury intoxication and several normally appearing factors that increase the susceptibility to mercury toxicity. Boys with autism represent a subset of the population that is more susceptible to the toxic effects of mercury and thimerosal because they are not efficient excretors of these toxic materials. Research confirms that a lead-toxic person would be more susceptible to mercury toxicity than a healthy, non-toxic person. Researchers routinely observe that many heavy metals increase the apparent toxicity of low levels of mercury. In other words, the synergistic effects of other heavy metals, diet, antibiotics, etc. on mercury toxicity make it impossible to define a “safe level of mercury exposure.”

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Published: 2005
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Vaccine mercury depletes a vital antioxidant, glutathione.

TITLE

Thimerosal Neurotoxicity is Associated with Glutathione Depletion: Protection with Glutathione Precursors

CITATION

S.J. James, William Slikker, Stepan Melnyk, Elizabeth New,
Marta Pogribna, Stefanie Jernigan. NeuroToxicology, 26 (2005) 1–8.

SUMMARY

“Thimerosal is an antiseptic containing 49.5% ethyl mercury that has been used for years as a preservative in many infant vaccines and in flu vaccines. Environmental methyl mercury has been shown to be highly neurotoxic, especially to the developing brain. Because mercury has a high affinity for thiol (sulfhydryl (-SH)) groups, the thiol-containing antioxidant, glutathione (GSH), provides the major intracellular defense against mercury-induced neurotoxicity. Cultured neuroblastoma cells were found to have lower levels of GSH and increased sensitivity to thimerosal toxicity compared to glioblastoma cells that have higher basal levels of intracellular GSH. Thimerosal-induced cytotoxicity was associated with depletion of intracellular GSH in both cell lines. Although Thimerosal has been recently removed from most children’s vaccines, it is still present in flu vaccines given to pregnant women, the elderly, and to children in developing countries.”

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Published: 2004
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Scientists identify vaccine mercury’s role in blocking crucial neurodevelopmental pathways.

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Activation of methionine synthase by insulin-like growth factor-1 and dopamine: a target for neurodevelopmental toxins and thimerosal

CITATION

M Waly, H Olteanu, R Banerjee, S-W Choi, JB Mason, BS Parker, S Sukumar, S Shim,
A Sharma, JM Benzecry, V-A Power-Charnitsky and RC Deth. Molecular Psychiatry , (2004) 9, 358–370.

SUMMARY

“The ethylmercury-containing preservative thimerosal inhibited both IGF-1- and dopamine-stimulated methylation with an IC50 of 1nM and eliminated MS activity. Our findings outline a novel growth factor signaling pathway that regulates MS activity and thereby modulates methylation reactions, including DNA methylation. The potent inhibition of this pathway by ethanol, lead, mercury, aluminum and thimerosal suggest that it may be an important target of neurodevelopmental toxins.”

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Published: 2001
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French scientists tie aluminum adjuvant in vaccine to macrophagic myofasciitis.

TITLE

Macrophagic myofasciitis lesions assess long-term persistence of vaccine derived aluminum hydroxide in muscle

CITATION

R.K. Gherardi, M. Coquet, P. Cherin, L. Belec, P. Moretto, P.A. Dreyfus. Brain, 2001, 124, 1821-1831.

SUMMARY

“Macrophagic myofasciitis (MMF) is an emerging condition of unknown cause, detected in patients with diffuse arthromyalgias and fatigue, and characterized by muscle infiltration by granular periodic acid-Schiff’s reagent-positive macrophages and lymphocytes. Intracytoplasmic inclusions have been observed in macrophages of some patients. To assess their significance, electron microscopy was performed in 40 consecutive cases and chemical analysis was done by microanalysis and atomic absorption spectrometry. Inclusions were constantly detected and corresponded to aluminium hydroxide, an immunostimulatory compound frequently used as a vaccine adjuvant.”

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Published: 2000
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CDC scientists admit that 90% of infectious disease mortality decrease in the United States happened before vaccines were available.

TITLE

Annual Summary of Vital Statistics: Trends in the Health of Americans During the 20th Century

CITATION

Bernard Guyer, MD, Mary Anne Freeman, MA, Donna M. Strobino, PhD, Edward J. Sondik, PhD. Pediatrics, Dec 2000, Vol. 106, No. 6.

SUMMARY

“Thus vaccination does not account for the impressive declines in mortality seen in the first half of the century…nearly 90% of the decline in infectious disease mortality among US children occurred before 1940, when few antibiotics or vaccines were available.”

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Published: 2000
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Infants receiving mercury-containing vaccines developed speech disorders, sleep disorders and autism, according to CDC scientists.

TITLE

Increased risk of developmental neurologic impairment after high exposure to thimerosal-containing vaccine in first month of life

CITATION

Verstraeten TM, Davies R, Gu D, DeStefano F. Proceedings of the Epidemic Intelligence Service Annual Conference, April 2000.

SUMMARY

“This analysis suggests that high exposure to ethylmercury from thimerosal-containing vaccines in the first month of life increases the risk of subsequent development of neurologic development impairment.”

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Published: 2000
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Japanese scientists find vaccine-strain of measles in the guts of children with autism.

TITLE

Detection and sequencing of measles virus from peripheral mononuclear cells from patients with inflammatory bowel disease and autism

CITATION

Kawashima H, Mori T, Kashiwagi Y, Takekuma K, Hoshika A, Wakefield A. Digestive Diseases and Sciences. 2000;45:723–729.

SUMMARY

“Additionally, a new syndrome has been reported in children with autism who exhibited developmental regression and gastrointestinal symptoms (autistic enterocolitis), in some cases soon after MMR vaccine. The sequences obtained from the patients with ulcerative colitis and children with autism were consistent with being vaccine strains. The results were concordant with the exposure history of the patients. Persistence of measles virus was confirmed in PBMC in some patients with chronic intestinal inflammation.”

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Published: 2000
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UCLA researchers find the DTP vaccine is causing asthma.

TITLE

Effects of Diphtheria-Tetanus-Pertussis or Tetanus Vaccination on Allergies and Allergy-Related Respiratory Symptoms Among Children and Adolescents in the United States

CITATION

Eric L. Hurwitz, DC, PhD, and Hal Morgenstern, PhD. Journal of Manipulative and Physiological Therapeutics, Volume 23, Number 2, February 2000.

SUMMARY

“Asthma and other allergic hypersensitivity reactions and related symptoms may be caused, in part, by the delayed effects of DTP or tetanus vaccination. Because the proportion of US children who have received at least 1 dose of DTP vaccine approaches 100%, the number of allergies and allergy-related conditions attributable to DTP or tetanus vaccination in the United States may be very high. For example, assuming that the estimated vaccination effect is unbiased, 50% of diagnosed asthma cases (2.93 million) in US children and adolescents would be prevented if the DTP or tetanus vaccination was not administered.”

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Published: 2000
SYNOPSIS

Vaccines with mercury significantly raised the body levels of mercury in infants.

TITLE

Iatrogenic exposure to mercury after hepatitis B vaccination in preterm infants

CITATION

Gregory V. Stajich, Gaylord P. Lopez, Sokei W. Harry, and William R. Sexson. Journal of Pediatrics, 2000, 136, 679-81.

SUMMARY

“Thimerosal, a derivative of mercury, is used as a preservative in hepatitis B vaccines. We measured total mercury levels before and after the administration of this vaccine in 15 preterm and 5 term infants. Comparison of pre- and post-vaccination mercury levels showed a significant increase in both preterm and term infants after vaccination. Additionally, post-vaccination mercury levels were significantly higher in preterm infants as compared with term infants. Because mercury is known to be a potential neurotoxin to infants, further study of its pharmacodynamics is warranted.”

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Published: 1999
SYNOPSIS

Infectious disease rates declined precipitously in the united states in the 20th century before the implementation of a national vaccine program.

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Trends in Infectious Disease Mortality in the United States During the 20th Century

CITATION

Gregory L. Armstrong, MD, Laura A. Conn, MPH, Robert W. Pinner, MD. Journal of the American Medical Association, 1999, 281: 61-66.

SUMMARY

“During the first 8 decades of the 20th century, the infectious disease mortality rate in the United States declined substantially…Improvements in living conditions, sanitation, and medical care probably accounted for this trend.”

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Published: 1995
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CDC scientists find children given the MMR vaccine shed the measles virus for at least 2 weeks after getting the vaccine, making them vectors to spread measles.

TITLE

Detection of Measles Virus RNA in Urine Specimens from Vaccine Recipients

CITATION

Paul A. Rota, Ali S. Khan, Edison Durigon, Thomas Yuron, and William Bellini. Journal of Clinical Microbiology, Vol. 33, No. 9, Sept. 1995, p. 2485–2488.

SUMMARY

“For the study, daily urine samples were obtained from either 15- month-old children or young adults following measles immunization. Overall, measles virus RNA was detected in 10 of 12 children during the 2-week sampling period. In some cases, measles virus RNA was detected as early as 1 day or as late as 14 days after vaccination. Measles virus RNA was also detected in the urine samples from all four of the young adults between 1 and 13 days after vaccination. This assay will enable continued studies of the shedding and transmission of measles virus and, it is hoped, will provide a rapid means to identify measles infection, especially in mild or asymptomatic cases.”

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