Vaccines are a weakened version of a disease which are meant to create an immune system response so that your body can be ready for future encounters with the disease.
Sometimes the immune system won’t provide the correct response, so the person that was vaccinated won’t be protected. But most vaccines have a high effectiveness (e.g. 2 MMR vaccine shots have a 99.7% effectiveness).
How safe are vaccines
The belief that vaccines can cause autism comes from the confusion between coincidence and causality.
Autism develops around the time when vaccines are given, somewhere around 2 years. So this makes it seem as though vaccines are what is causing the autism.
Many studies have shown that the measles vaccine (also other vaccines) don't cause autism.
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The aggravation of her Mitochondrial Dysfunction led to fever and an “immune stimulation that exceeded metabolic reserves”, and the stress to her immune system led to autism.
Should Vaccination be up to the parents
Vaccination should be up to the parents as long as the parents are properly informed. Since looking it up online can lead to a lot of contradicting information.
Vaccines don’t always immunize , so some people that get vaccinated are still vulnerable. Also some people are too young to be vaccinated or have a sickness which doesn’t allow them to be vaccinated. These people rely on herd immunity to protect them. Herd immunity is when the majority of people are vaccinated within a group, so the disease is less likely to spread.
People who are not vaccinated can cause an outbreak of disease. For example, and unvaccinated boy (7) in San Diego had caught measles in Switzerland and spread the disease to 11 other