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Autism is a disease that affects the mental development of the child. The disease appears during the first three years of life of the child. Doubts remain about the relationship between illness and vaccinations.
Autism is primarily a behavioral disorder, whose degree of vulnerability varies from patient to patient and is the subject of much discussion, especially with mothers who have just arrived at the maternity ward. while their children are about to be vaccinated. In 2013, the Center for Disease Control conducted a large study showing that there was no link between vaccination and autism by examining many antibodies found in the body (which are used in vaccinations to stimulate the body to form antibodies for all diseases). With autistic patients than their vaccinated peers but not autistic.
What is the origin of this belief? In 1995, a group of British researchers published a study in The Lancet showing that people who had previously received the measles and mumps vaccine were more likely to have bowel disease than those who have never received the vaccine. One of these researchers, Andrews Wakefield,
In 1995, a group of British researchers published a study in The Lancet stating that people who had previously received measles and mumps vaccine were more likely to have bowel disease than those who did not. had never had one. Andrews WakefieldA gastroenterologist with a degree in medicine, who undertook to study further the possible link between the vaccine and intestinal disease, hypothesized that persistent infection with the vaccine virus caused a dysfunction of the intestinal tissue, leading to in turn an intestinal disease and a neurological disease (autism).
Some researchers have suggested part of this hypothesis that the vaccine is linked to autism.
Over the next 12 years, many studies have been conducted on the likelihood of a link between measles, mumps and autism. No significant and relevant study has confirmed the results of Wakefield. Many studies have found a link between measles, mumps and autism.
Thymerosal hypothesis
Thimerosal, a preservative used in some mercury-containing vaccines, with attention being drawn to the known and potential effects of these exposures, the Food and Drug Administration asked pharmaceutical companies in 1999 to report the amounts of mercury in their products exceeding the results of mercury in drugs containing thymerosal.
However, their final report concluded that most of the evidence collected since 2001 had tended to reject the hypothesis that mercury in vaccines was associated with neurodegenerative developmental disorders. Data from several studies confirm the rejection of a link between thymrozole and autism.
Research that denies the link between vaccination and autism 1. Research for the 1999 Brent Taylor World:
Researcher Brent Taylor conducted a study of 498 autistic nonautistic children with triple immunization prior to 1998. They examined samples of children vaccinated and diagnosed with autism. :
– A large number of children have received triple vaccination without however becoming autistic.
– By comparing children with autism who received the vaccine with those who did not receive it, it was found that in both cases, autism had been diagnosed in children at about the same age.
– The symptoms of autism in vaccinated children appeared at different times, some with symptoms after 4 months, including those with symptoms after 6 months.
Previous observations indicate that there is no association between autism and triple vaccination.
2 – Search Natalie Smith
The investigator examined the mercury present in thimerosal, but in any case, the latest recommendations from the 1999-2001 studies eliminated the concentration of the substance in all vaccinations, a general trend towards reduction of mercury-containing products and extracts from all aspects of the child, including vaccination. That there is no link between vaccination and autism before studies conclusively proves that there is no real damage to this substance.
Finally
Most science and medicine experts are satisfied with the lack of links between vaccines and autism, but critics remain skeptical: most researchers insist that the causes of autism are multiple and include genetic and environmental, but not vaccines.
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