The first recommend schedule for childhood vaccination was published by the …show more content…
Formaldehyde is used in vaccines in order to remove the harmful aspects of a particular virus or bacteria while still allowing the receive host to form antibodies for the disease. Formaldehyde is also found in human blood as it is a necessary component in the creation of amino acids. The average amount of formaldehyde found in a single vaccine is less than a tenth of a milligram while the average infant has over a milligram of formaldehyde in its blood (Offit). While formaldehyde can change DNA and potentially cause cancer in cells in vitro, it has not been found as a carcinogen in humans