There are two different types of mercury occurring naturally on earth, ethylmercury and methylmercury. Methylmercury is the mercury that is toxic to humans and found in fish and old thermometers, it is very dangerous and the well known of the two mercury types (CDC.gov, 2015). Ethylmercury is in thimerosal, which is a preservative that has been used for decades in multi-dose vials of vaccines. Ethylmercury is cleared from the human body more quickly than methylmercury and is far less likely to cause harm and has been shown to be safe to humans. Since 2001, all childhood vaccinations, except for the seasonal flu vaccination, are made without thimerosal (CDC.gov, …show more content…
While immunization levels are favorable nationally, when the data focuses on the state and community levels, there are areas, such as Oregon, that have 58.2% children aged two years that are up to date on all vaccinations (Public.health.oregon.gov, 2015). It is places like this, that have low vaccination levels that become infected with these diseases. The people that do not put the effort into vaccinating their children are not helping to protect the children that are medically unable to receive