Vaccines contain high levels of mercury -Vaccines cause autism -All vaccines will potentially cause life-threatening conditions.
Give a detail on biological tool vaccine.
A biological preparation known as a vaccination offers active acquired immunity to a specific infectious or cancerous disease. Numerous studies and reports have established the effectiveness of vaccinations. A vaccination often comprises a substance that resembles a microbe that causes a disease; this substance is frequently created from a bacteria's weakened or deceased forms, its toxins, or one of its surface proteins. The substance activates the immune system to identify the substance as a threat, eliminate it, and then identify and eliminate any subsequent bacteria linked to the substance that the body may come into contact with.
Vaccinations may be preventative (to prevent or ameliorate the effects of a future infection by a natural or "wild" pathogen).
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