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Posted By Dr. Mercola | November 15 2011
http://articles.mercola.com/sites/articles/archive/2011/11/15/vaccines-behind-autism-epidemic.aspx?e_cid=20111115_DNL_art_1By
In 1988, the first conjugate vaccine was approved for use in the U.S.
It was intended to protect infants and young children against Haemophilus influenzae type b (Hib); a bacterial infection that can lead to pneumonia, infections of your blood, joints, bones, and pericardium.
Historically, it has also been a leading cause of bacterial meningitis.
Since that time, the vaccine has been approved in most developed countries, including Denmark and Israel where the vaccine was added to their national vaccine programs in 1993 and 1994, respectively.
Starting in the late 1980's, there was a marked increase in the reported prevalence of autism spectrum disorders among children in the U.S.